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UniColorado

Denver HVAC Contractor

Heat Pump Water Heater Installation

UniColorado is your go-to expert for heat pump water heater installation in Denver and the surrounding areas. These units are 2-3x more efficient than electric resistance water heaters and qualify for Xcel Energy rebates. Whether you're upgrading an existing water heater or adding one as part of a larger HVAC project, our technicians handle everything from assessment to installation.

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Send a few photos of your current water heater and we can quote from those.Quote within one business day. We confirm it in person before install.

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Heat Pump Water Heater Installation

State Premier 80-gallon heat pump water heater

Heat Pump Water Heater Installation

Heat pump water heater installation for residential customers in the Denver metro area.

2-3x efficiencyRebate eligibleProfessional install

How It Works

Heat pump water heater components diagram showing compressor, evaporator, and tank

What is a heat pump water heater?

A heat pump water heater (also called a hybrid water heater) is an energy-efficient alternative to traditional electric or gas water heaters. It uses electricity to move heat from the surrounding air into the water tank, rather than generating heat directly. The process is similar to how a refrigerator works, but in reverse.

The ENERGY STAR program rates heat pump water heaters as 2-3x more efficient than conventional electric resistance models. An Energy Star certified unit must achieve a Uniform Energy Factor (UEF) of 2.0 or higher, meaning it produces at least twice the heat output per unit of electricity consumed.

What Our Customers Say

5.0
Google Reviews (138)

Chastity O.

My mother debra was a customer of theirs. They did an amazing job. My mom feels they were so hood to her. They were professional and supportive even when problems did arise. She appreciates all you did for her. She would recommend yall to anyone!!

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Kyle M.

Aydin and team were absolutely fantastic. The install was efficient and smooth. By far the best value that we received quotes for.

Google Review

Michael M.

Afshin and Aydin were great to work with! The whole process from solution design through installation went smoothly, all at a fair price. They were always responsive and the job finished on time. Couldn't recommend more.

Google Review

Colorado's Most Experienced Heat Pump Installer

Heat pump water heaters use roughly a third of the energy of a standard electric tank. We install them alongside HVAC heat pump projects, making sure the unit has adequate airflow space and proper drain routing. May qualify for Xcel Energy rebates when bundled with a heat pump installation.

Mitsubishi hyper-heat install, Colorado 2014
2014

Our first hyper-heat install

Lennox heat pump install 2016
2016

Early Lennox cold-climate adoption

Bosch IDS Ultra heat pump install
2024

Bosch IDS Ultra install

Latest cold-climate heat pump installation 2026
2026

Latest cold-climate tech

30+

Municipalities

Master

Licensed & Certified

12,000+

Installations

Water Heater Certified

Technicians

Quality Install

Guarantee

Up Front Pricing

No hidden fees

$5M+

Saved for homeowners in 2025

$7,000

Average savings

5,000+

Rebate applications submitted

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Xcel Energy electricity and gas bill showing monthly charges

Are heat pump water heaters more efficient?

Heat pump water heaters are 2-3x more efficient than electric resistance models because they move heat rather than generate it. A typical electric tank water heater has a UEF around 0.90-0.95, while a heat pump model achieves 3.5-4.0 UEF.

Comparing to gas water heaters is more nuanced. Natural gas in Colorado (via Xcel Energy) typically costs less per therm than the equivalent electricity. If you currently have a gas water heater and are satisfied with its performance, the operating cost savings from switching to a heat pump model depend on your specific Xcel rates and usage patterns.

If you have an electric resistance water heater, a heat pump upgrade is a clear win: expect 50-66% reduction in water heating electricity and $200-$400 per year in savings for a typical Denver household.

Pricing

Heat pump water heater installation cost

A heat pump water heater installed in Denver runs $6,900 to $8,000 or more before rebates. After Xcel's $1,500 rebate and the state credit, most homes land around $5,500 and up.

Most installs need a new 240V circuit, which we include in your estimate. If your electrical panel has no room for it, a panel upgrade adds $5,350 and up.

Cost Factor
Installed, before rebates
Typical RangeRecommended
$6,900 - $8,000+
Cost Factor
Xcel rebate (taken off your invoice)
Typical RangeRecommended
-$1,500
Cost Factor
Colorado heat pump credit (taken off your invoice)
Typical RangeRecommended
-$250
Cost Factor
Typical out of pocket
Typical RangeRecommended
About $5,500+

Ranges for the Denver metro, not quotes. Tank size, location, and the 240V circuit run move the number. Electrical panel upgrade not included.

Are heat pump water heaters reliable?

Heat pump water heaters can experience reliability issues, with some brands being more prone to certain problems than others. Common issues reported by homeowners include compressor failures, evaporator temperature errors, and electronic control board problems.

Rheem: Error code EO (compressor lockout, high discharge temperature), E4 (high evaporator temperature), compressor leaks.

AO Smith: Error code A6 (compressor shutdown), A7 (evaporator freeze condition), condenser coil failures.

State: Error code 5 (compressor circuit locked out), error code 8 (evaporator sensor failure), premature heat pump failures and noisy operation.

These issues are not universal, but they are more common than problems with traditional tank water heaters. Manufacturer warranties typically cover 6-10 years on the tank and 1-6 years on parts. We recommend registering your warranty immediately after installation.

Is a heat pump water heater right for me?

A heat pump water heater is a good fit if:

  • Your water heater is in an unfinished basement or garage with adequate airflow (700+ cu ft of space around the unit)
  • You have solar panels or plan to install them (maximize your own electricity)
  • You currently have an electric tank water heater (direct efficiency upgrade)
  • Your installation space stays above 40°F year-round

A heat pump water heater may not be ideal if:

  • The unit would be near bedrooms or living spaces (compressor noise reaches 45-55 dB)
  • Your installation space is small or poorly ventilated
  • You have a gas water heater and low natural gas rates
  • Your basement drops below 40°F in winter (unit falls back to electric resistance mode)

Not sure? Heat pump HVAC installations pair well with heat pump water heaters. We can assess both during a single visit.

Rheem ProTerra heat pump water heater showing installation configuration

Pros & cons of heat pump water heaters

Pros:

  • 2-3x more efficient than electric resistance (UEF 3.5-4.0 vs 0.90-0.95)
  • $200-$400 per year lower operating costs vs electric tanks
  • Xcel Energy $1,500 rebate available
  • Dehumidifies installation space as a side benefit
  • No combustion, no carbon monoxide risk

Cons:

  • Higher upfront cost ($6,900-$8,000+ gross, ~$5,500+ out of pocket vs from $2,900 for a standard tank)
  • Reliability concerns with current-generation models
  • Compressor noise (45-55 dB, comparable to a dishwasher)
  • Slower recovery in heat pump mode vs electric resistance mode
  • Requires more installation space and ambient airflow
  • Reduced efficiency below 40°F ambient temperature

If your current water heater is functioning well, it may be worth waiting for manufacturers to improve reliability in future models. If you need a replacement now and have the right installation conditions, a heat pump water heater can deliver significant long-term savings.

Compare

Heat pump water heater vs tankless

Heat pump water heaters and tankless (on-demand) water heaters both improve on traditional tank heaters, but they work differently and suit different situations. Here is how they compare for Denver homeowners.

A heat pump water heater is the better choice if you currently have an electric tank and want to stay electric while cutting energy use. A tankless gas unit makes sense if you already have a gas line and prioritize continuous hot water output.

One key difference for Xcel Energy customers: heat pump water heaters qualify for a $1,500 Xcel rebate, while tankless gas units do not.

Factor
Installed cost
Heat Pump Water Heater
$6,900 - $8,000+ (OOP ~$5,500+)
Tankless Gas
From $5,600
Factor
Energy source
Heat Pump Water Heater
Electricity
Tankless Gas
Natural gas
Factor
Efficiency
Heat Pump Water Heater
UEF 3.5 - 4.0
Tankless Gas
UEF 0.87 - 0.97
Factor
Monthly operating cost
Heat Pump Water Heater
$15 - $25
Tankless Gas
$20 - $35
Factor
Hot water delivery
Heat Pump Water Heater
50-80 gal tank + recovery
Tankless Gas
Continuous (7-11 GPM)
Factor
Lifespan
Heat Pump Water Heater
10 - 15 years
Tankless Gas
15 - 20 years
Factor
Xcel rebate
Heat Pump Water Heater
$1,500
Tankless Gas
$0
Factor
Space needed
Heat Pump Water Heater
Floor space + airflow clearance
Tankless Gas
Wall-mounted (compact)
Factor
Noise level
Heat Pump Water Heater
45-55 dB (compressor)
Tankless Gas
Minimal

Monthly costs assume Denver Xcel Energy rates. Heat pump water heater figures assume heat pump mode, not hybrid or electric resistance.

Rebates

Heat pump water heater rebates in Colorado

Xcel Energy offers a $1,500 rebate for an Energy Star certified heat pump water heater that replaces a gas or propane water heater, and $750 when it replaces an electric one. UniColorado applies this as an upfront discount on your invoice, so you never have to file paperwork or wait for reimbursement.

The federal 25C tax credit ended December 31, 2025 and is no longer available for new installations.

For Xcel customers upgrading both their HVAC system and water heater, bundling a heat pump installation with a heat pump water heater maximizes total rebate value. See our rebates hub for all available programs.

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