Insights & Guides
Expert analysis, installation guides, and rebate updates for Colorado homeowners. Based on 12,000+ heat pump installations and real utility data.
News2 min read
Winter Install Promo, Through November 20
Through November 20, 2026, UniColorado takes an extra discount off ducted heat pumps, ductless mini-splits, heat pump water heaters and gas tankless water heaters. Sign your estimate by the 20th; the install can come later.
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October 2026
What Is Auxiliary Heat on a Heat Pump, and When Is It a Problem?
When your thermostat says AUX, the heat pump is getting help from its backup: electric heat strips, or a gas furnace on a dual fuel system.
Heat pumps4 min read

Xcel Heat Pump Rebate Payment Pause: Lifted October 21, 2026
Update, October 21: the pause is over. The Colorado Public Utilities Commission let Xcel move $20.5 million of 2027 funds into 2026, and Xcel is paying heat pump and heat pump water heater rebates again this year. Below is what the October 9 notice said and what changed.
News4 min read

Xcel's Heat Pump Pilot Rate: Should You Opt In?
Xcel emailed heat pump owners in late August about a new winter rate. It pays off above about 477 off-peak kWh a month; check yours with the calculator below.
Heat pumps4 min read

R-454B Refrigerant: What Changes for a Denver AC or Heat Pump
EPA ended the manufacture of R-410A residential systems on January 1, 2025. R-454B took its place.
Air conditioning4 min read

September 2026
Heat Pump Disadvantages in Denver: The Real Downsides, From an Installer
We install more heat pumps than anyone in Colorado, and a good share of the complaints we hear come from people who bought one somewhere else.
Heat pumps6 min read

Why Is My Electric Bill So High With a Heat Pump? Ask This Before You Buy
Every cause of a surprise electric bill can be caught on the quote.
Heat pumps5 min read

Why Don't Contractors Like Heat Pumps? Two Real Reasons and Four Lines You Will Hear
Homeowners call us every week after another contractor talked them out of a heat pump. The reasons they were given rarely match the reasons behind them.
Heat pumps5 min read

Mini Split Downsides: Resale Value, Looks, and Cost in Denver
The two real downsides are the wall heads and the per-room cost. We also cover the cases where we steer customers to a ducted system instead.
Heat pumps4 min read

Is 18 SEER Worth It in Denver? Where the Extra Money Stops Paying
This is where the extra money stops buying anything in Denver, and where it still does.
Air conditioning5 min read

August 2026
The Best Time to Replace HVAC in Denver: What Our Booking Data Shows
Every week someone asks whether HVAC gets cheaper in the fall. We matched two and a half years of our own booking records against daily Denver weather.
Guide4 min read

Who Files Your Heat Pump Rebate Paperwork? (And Who Gets the Money)
Who files each application, whose name the check is written to, and what happens if a claim is rejected decide whether you actually see the money.
Guide5 min read

Best Heat Pump Brands for Colorado: How We Choose Between Mitsubishi, Carrier, and Bosch
"Which one is actually better?" is the most common follow-up on our two-option quotes, usually with a competitor's opinion attached. We sell all three brands at similar margins.
Guide5 min read

Three Contractors, Three Different Tonnages: Who's Right About Your Heat Pump Size?
"You quoted 5 tons. Another company said 3. Who's padding the bill?" We field this call weekly. The instinct that bigger means upsold comes from the AC era, and for Colorado heat pumps it points exactly the wrong way.
Guide5 min read

What Does the Super El Niño Mean for Colorado's 2026-2027 Winter?
Forecasters expect the strongest El Niño ever measured to peak this winter, and El Niño moves Colorado's weather more than any other climate pattern. The storm track shifts south, which favors heavy snow in the San Juans, sets up a few big upslope snowstorms for Denver, and leaves the northern mountains with no clear signal.
Guide9 min read

Xcel Heat Pump Rebates Dropped October 1: What Denver Homeowners Need to Know
On October 1, 2026, Xcel Energy cut heat pump and heat pump water heater bonuses from 3x to 2x the standard rebate. That is a 33% cut across the board. Systems installed and invoiced before October 1 with applications submitted by October 15 keep the earlier amounts.
News5 min read

Should You Just Get an AC Instead of a Heat Pump?
We hear this question at almost every summer estimate: "Can't I just get a regular AC? Heat pumps sound complicated and expensive." Here is the answer we give in person, with the same numbers we put on estimates.
Heat pumps6 min read

Ceiling Cassette vs Wall-Mounted Mini Split: Why We Usually Say Wall Unit
The ceiling cassette is the most requested indoor unit we almost never recommend. Customers see the flush ceiling look and ask for it in the first five minutes. Most of those conversations end with a wall unit on the quote.
Heat pumps5 min read

June 2026
May 2026
Why Is My AC Not Cooling Enough? 7 Causes a Denver Tech Checks First
AC running for hours but the thermostat never gets there? In Denver, the answer is almost always one of seven things, and four of them you can check before you call anyone.
Air conditioning8 min read

A Weather Page for Denver, Built With Actual Care
A May snowstorm, a 90-degree week, and the worst Colorado drought since 1883, all in one spring. We wanted a weather page that could keep up. So we made one.
Guide5 min read

What Size AC Do I Need? A Denver Sizing Guide (Why Bigger Is Worse at Altitude)
If a contractor sizes your AC by square footage alone, find a different contractor. The square-footage rule of thumb is the single biggest reason Denver homes are running short-cycling, oversized equipment, and at altitude, it's the wrong number to start with anyway.
Air conditioning9 min read

How Long Does an AC Unit Last in Colorado? Altitude, Hail, and Dry Air Effects
Most online guides quote 15-20 years for a central AC. Those numbers come from humid, hail-free climates. Denver is harder on the outdoor unit than nearly anywhere in the country, but easier on the indoor side. Here's what actually breaks first and what tends to last.
Air conditioning9 min read

April 2026
Do Heat Pumps Actually Cool? Yes. Here's How They Hold Up in a Denver Summer
The most common heat pump question we still get in 2026: 'Will it cool my house?' The short answer is that a heat pump is an air conditioner. Cooling is the part that came first.
Heat pumps9 min read

What Denver Homeowners Paid for Heat Pumps: 1,238 Invoices, 2020 to 2026
Invoice totals from 1,238 closed Denver-metro heat pump installs, 2020 to April 2026, next to what the same work costs out of pocket after the October 2026 rebate changes.
Guide4 min read

Denver Heat Pump Adoption, 2021 to 2025: What Permits and Invoices Show
Two datasets on the same years: public permit records from five Denver-metro counties, and closed invoices from one Denver installer. Both show heat pump volume climbing from 2021 through 2025.
News5 min read

Colorado HVAC Rebates 2026: What's Left After 25C and HEAR Ended
Federal 25C ended with 2025, HEAR closed in the Front Range in April and statewide in August, and Xcel cut its heat pump bonus by a third on October 1. Three programs are left, worth about $7,000 on a 3-ton heat pump for an Xcel gas customer in the Denver metro.
Rebates5 min read

What Size Heat Pump Do I Need for a Denver Bungalow?
Most Denver bungalows land between 2.5 and 4 tons, but the rule-of-thumb that gets you there is wrong 30-50% of the time. Here's what actually determines the right size, and why the condition of your envelope matters more than the square footage.
Heat pumps9 min read

How Long Do Heat Pumps Last? Lifespan Guide for Colorado
Heat pumps typically last 12-18 years in Colorado. That's shorter than a furnace because a heat pump works year-round, doing both heating and cooling. Here's what actually affects lifespan, and how to tell when yours is closer to the end than the middle.
Heat pumps8 min read

AC Repair vs Replace: The 50% Rule and 5 Other Triggers for Denver Homes
The 50% rule is a fine starting point, but it's not the whole story in 2026. Between R-410A refrigerant being phased out, R-454B becoming standard, and Xcel rebates that meaningfully change the math, the line between 'another repair' and 'new system' has moved.
Air conditioning9 min read

HEAR Rebate Update: Region 1 (Front Range) closed April 28, 2026
CLEAResult confirmed on April 28, 2026 that the HEAR Single-Family Program for Region 1 (Front Range) is now closed. Project proposals submitted after April 27 will be denied. UniColorado is no longer including HEAR on new Front Range projects. If you got our April 24 email, here's what your bucket means.
News3 min read
March 2026
Are Heat Pumps Noisy? Actual Decibel Levels and What Sounds Are Normal
Today's inverter-driven systems operate at 45 to 60 dB outdoors at rated conditions, but they can ramp up to 65 to 70 dB during peak heating or defrost cycles. Indoor ductless units can run as low as 19 dB.
Heat pumps8 min read

Why Is My Upstairs So Hot? What Actually Fixes It (And What Doesn't)
Most HVAC articles give you tips like 'close vents downstairs' or 'adjust your dampers.' Here's what they don't say: your existing ductwork was designed decades ago and cannot be meaningfully changed in most retrofits. Here's what actually works.
Air conditioning7 min read

What Happens During Heat Pump Installation
A step-by-step look at what actually happens on heat pump installation day: crew schedule, what your home looks like during the work, commissioning, and handover. No marketing, just the process.
Heat pumps7 min read

What Happens During Furnace Installation
A step-by-step look at what actually happens during furnace installation: crew arrival, removal, installation, altitude-specific setup, commissioning, and permit inspection. Real timelines, not marketing copy.
Heating6 min read

What Happens During AC Installation
A step-by-step look at what actually happens during central AC installation: crew arrival, removal of the old unit, physical installation, commissioning, and handover. What to expect, when your home gets hot, and what decisions you need to make.
Air conditioning6 min read

Will HEAR Rebates Survive? What Colorado Homeowners Need to Know About H.R. 4758
On February 25, 2026, the U.S. House of Representatives passed H.R. 4758, the Homeowner Energy Freedom Act, by a vote of 210-199. If signed into law, it would repeal the HEAR program and rescind $4.275 billion in home electrification rebates. The bill now goes to the Senate, where passage is considered unlikely. Separately, Colorado's HEAR Region 1 (Front Range) Single-Family Program closed April 28, 2026. UniColorado is no longer including HEAR on new Front Range projects. The rest of the state (Region 2) closed to new applications August 1, 2026, so HEAR is now closed statewide. Completed and reserved projects are contractually protected.
News8 min read

Preparing Your Home for a Heat Pump: What You Actually Need to Do Before Converting from Gas
Researching a gas-to-heat-pump conversion can make it sound overwhelming. The reality: most Colorado homes with central AC already have the infrastructure a heat pump needs. Three areas to check: electrical capacity, ductwork condition, and insulation.
Heat pumps8 min read

What Electrical Upgrades Do You Actually Need for Home Electrification?
About half of Denver-area homes need some electrical work when adding a heat pump. The range is wide: from adding a single circuit ($300 to $800) to a full panel upgrade ($4,400 to $6,400). Very few homes need to go beyond 200 amps, and that threshold matters because going from 200A to 320A costs $15,000 to $20,000 minimum.
Electrical9 min read

Your Furnace Still Works - But Will It Work With a New Heat Pump?
We hear this constantly: 'My furnace still works. Can I just get a new heat pump and keep it?' Yes, if the furnace is compatible, and we check that before we quote.
Heat pumps8 min read

Swamp Cooler vs AC vs Heat Pump in Denver: Costs, Comfort, and Smoke-Season Reality
Denver's summers have fundamentally changed. More 90-degree days, longer heat waves, and increasingly severe wildfire smoke seasons. Here's how swamp coolers, central AC, and heat pumps actually compare for Denver homeowners - based on what system you currently have.
Air conditioning8 min read

What Should Be Included in Your HVAC Quote? The Complete Transparency Checklist
You get three quotes for the same heat pump. One is $13,850. One is $17,850. One is $21,850. The difference usually isn't the equipment - it's what's included. Here's what transparent HVAC pricing actually looks like.
Guide7 min read

How to Choose an HVAC Contractor in Denver: What to Know Before You Sign
You know the trucks. You've heard the jingles. Here's how the business model behind them actually works, and why your quote is $8,000 higher than it needs to be.
Guide9 min read

Who's Actually Installing Your Heat Pump?
If one heat pump quote is half the price of everything else, it's worth understanding why. Not every company giving you a quote is the same kind of company.
Guide10 min read
How Much Does a Heat Pump Actually Cost With HEAR Rebates?
The examples below show what Front Range HEAR-eligible households paid when HEAR was still open. Region 1 (Front Range) HEAR closed April 28, 2026. New Front Range customers stack Xcel + the Colorado state tax credit + Power Ahead Colorado ($1,500, now open) today. The rest of the state closed to new HEAR applications August 1, 2026, so HEAR is closed statewide.
Rebates7 min read
February 2026
Heat Pumps for Older Homes: What Colorado Homeowners Need to Know
Older Colorado homes present real challenges for heat pump installation: undersized panels, missing ductwork, thin insulation. But none of these are dealbreakers. Here is how we approach retrofits in 1950s-1980s houses.
Heat pumps9 min read

What's New at UniColorado: A Simpler Way to Get HVAC Pricing
We rebuilt our website. The estimate experience is faster, the calculators are new, and there are a few things we added that we think you'll like.
Guide5 min read
What Size Mini-Split Do I Need? A Room-by-Room Sizing Guide
A 1,500 sq ft Denver home typically needs a 3-ton system with 2-3 indoor heads. Here's how to plan yours room by room, with an interactive tool that calculates head sizes and recommends equipment.
Heat pumps8 min read

Why Is My AC Freezing Up? Causes, Fixes, and When to Call a Pro
Your AC freezing up? 90% of the time it's a dirty filter or low refrigerant from a slow leak. Learn the DIY troubleshooting steps, when to call for service, and how to prevent ice buildup on your AC coils.
Air conditioning8 min read
Whole House Humidifier Installation in Denver: Cost and Which Type to Get
A whole house humidifier costs about $700 to $1,000 when we add it to a new furnace or heat pump, or $1,900 to $2,800+ for steam. For most Denver homes we put in the AprilAire 720.
Guide5 min read

Outdoor AC Unit Not Turning On? Here's What to Check
If your outdoor AC unit is completely silent while the indoor fan runs, the most common cause is a failed capacitor: a $150 to $300 repair. Learn the DIY diagnostic steps you can safely perform before calling a technician.
Air conditioning6 min read

Furnace Keeps Breaking Down? When to Repair vs. Replace
If your furnace has needed 2+ service calls this heating season, or it's 15+ years old, you're likely spending money on a dying system. Learn the warning signs that mean it's time to replace, including safety red flags that demand immediate action.
Heating7 min read

Why Is My Furnace So Loud? What Each Sound Means + When to Worry
Most furnace sounds are harmless; but two sounds mean turn off your furnace immediately. Banging indicates delayed ignition (gas buildup). Scraping means a loose blower wheel. Learn what each noise means and when to call a professional.
Guide6 min read

How to Choose a New Central AC (or Why a Heat Pump Might Be Better)
If you're replacing central AC in Colorado in 2026, the smart move might not be traditional AC at all. With upfront rebates from Xcel Energy and Power Ahead Colorado, heat pumps now cost less than a high-quality furnace + AC combo, and they heat AND cool with no downsides.
Air conditioning7 min read

High-Efficiency Furnaces: What 95% AFUE Actually Means for Your Energy Bills
A 95% AFUE furnace captures 95 cents of every dollar you spend on gas. Your old 80% AFUE furnace wastes 20 cents. Learn what efficiency ratings actually mean for your heating bills and why Colorado's new NOX regulations make this decision more urgent.
Guide6 min read

How Long Does a Furnace Last? Signs It's Time to Replace
Most furnaces last 15-20 years in Colorado. If yours is in that range and needing frequent repairs (2+ service calls per heating season), replacement typically beats continued repairs. Learn the warning signs, safety red flags, and cost thresholds.
Guide6 min read

Is a More Expensive HVAC Filter Better? (Probably Not)
For most Denver homes, a more expensive HVAC filter is not better. MERV 8 filters changed every 30-60 days outperform MERV 13+ filters in systems not designed for high static pressure. Higher MERV restricts airflow, freezes coils, and damages compressors.
Guide6 min read

How to Lower Electric Bill in Summer: 6 Actions That Actually Work (Denver)
The two biggest energy wasters in Denver homes aren't thermostat settings; they're dirty filters and air leaks. Learn which actions deliver actual savings and which ones waste your time.
Air conditioning6 min read

Why Is My Gas Bill So High? Three Factors Denver Homeowners Should Check
Three things are driving up Denver gas bills: Xcel rate hikes, old furnace inefficiency, and home air leaks. Here's how to figure out which one (or all three) is your problem.
Heating8 min read

Which HVAC Brands Are Still American-Made? (The Honest Answer)
The HVAC industry has gone global. Most 'American' brands are owned by international conglomerates and manufacture in multiple countries. Here's where the major brands actually make their equipment, and what matters more than where it's assembled.
Guide7 min read

HVAC for Rental Properties: What Denver Landlords Need to Know
If you own rental property in Denver, your HVAC system is both a liability and an asset. Understanding your legal obligations, smart replacement timing, and tenant coordination can minimize disruption and maximize long-term savings.
Guide7 min read

Best Cold Climate Heat Pumps for Colorado: What 12,000 Installations Taught Us
Look for ENERGY STAR Cold Climate certification as a baseline, but don't stop there. Certification means the unit was tested at 5 degrees F. Not that it'll keep your house warm when Denver hits -10 degrees F.
Heat pumps7 min read

Heat Pump vs Furnace in Denver: Cost to Buy, Cost to Run, and What We Recommend
For most Denver homes the answer is both: a heat pump with a gas furnace backup. Here is what each option costs to buy after rebates, what it costs to run on Xcel rates, and when a furnace alone still makes sense.
Heat pumps7 min read

Mitsubishi H2i vs Bosch IDS Ultra vs Carrier 37MUH: Which Cold Climate Heat Pump?
All three work in Colorado winters. The right choice depends on your home. Mitsubishi H2i for fully electric up to 2,500 sq ft, Bosch IDS Ultra for ducted retrofits, Carrier 37MUH for mid-range ducted.
Heat pumps10 min read

SEER2, HSPF2, and AFUE: What These Ratings Actually Mean
Efficiency ratings matter less than you think. Yes, you should understand what SEER2, HSPF2, and AFUE mean. But the difference between an 18 SEER2 and 20 SEER2 unit? Rarely worth the upcharge.
Heat pumps9 min read

Why Xcel Requires Heat Pumps to Be Sized for Heating
If your heat pump installer talks about 'sizing for cooling load' or warns you about 'oversized' systems, they're using outdated logic. Here's what Xcel Energy actually requires and why it matters.
Heat pumps8 min read

What Is a QMID Number? Where to Find It for Form 5695
A QMID (Qualified Manufacturer Identification Number) is the 4-character IRS code for your heat pump's manufacturer. It goes on Form 5695 line 29a. Find it on the manufacturer's tax credit page, your AHRI certificate, or your installer's invoice.
Heat pumps5 min read

January 2026
November 2025
July 2025
April 2025
February 2025
January 2025
Federal 25C Tax Credit: How to Claim (2024)
Follow these instructions to claim your 25C Federal tax credit for heat pumps and heat pump water heaters installed in 2024. Learn what documents you need and how to complete Form 5695.
News5 min read
Do Heat Pumps Use a Lot of Electricity?
Yes, heat pumps do use a lot of electricity but that may not be a bad thing. Learn how heat pumps compare to gas furnaces, what affects their energy use, and whether they'll increase your utility bills.
Heat pumps13 min read

Clean Heat Plan Colorado
Colorado passed the first Clean Heat Plan of its kind in the U.S., requiring gas utilities to cut emissions from home and building heating systems by 22% by 2030. Here's what the plan covers and what it means for Colorado homeowners.
Heat pumps5 min read
September 2024
May 2024
April 2024
Cold Climate Heat Pumps: Do they work in Colorado?
Modern cold climate heat pumps keep up in Colorado's extreme climate. Learn how advancements in compressor technology and refrigerant systems now allow heat pumps to provide reliable heating at -13°F and below.
Heat pumps8 min read
Dual Fuel vs All-Electric Heat Pump: Which Is Right for a Denver Home?
Both systems use the same heat pump. The difference is what backs it up: a gas furnace (dual fuel) or electric heat strips (fully electric). Here is how to pick.
Heat pumps9 min read

Central Air vs Ductless AC: Choosing the right system
The right air conditioning system makes a real difference in both comfort and efficiency. If you have ductwork in your home, central AC is typically the easiest route to add whole house cooling. If you have no ductwork in your home, are looking to condition a specific area or move away from a boiler/radiant system, mini splits are likely the best choice for your home.
Air conditioning5 min read
March 2024
February 2024
May 2023
February 2023
What Is a Heat Pump? Is It Gas or Electric?
The heat pump is only the outdoor half of the system. Whether you still use gas, and whether your furnace stays, depends on the indoor half.
Heat pumps5 min read
Who Invented Air Conditioning?
Air conditioning is everywhere these days. From keeping us cool in the summer to providing a comfortable environment in offices, schools, and hospitals, air conditioning has become an essential part of our daily lives. We have prepared a brief history of air conditioning below.
Guide5 min read
January 2023
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