Denver HVAC Contractor UniColorado

Denver Furnace Repair

+ all adjacent metro areas

We understand that heating is an absolute necessity in the winter months and we aim to leave you with reliable & trouble-free system. For professional furnace repair in Denver or an adjacent city, look no further.

If you have no hot air, our furnace repair experts will bring your home heating system back to life, most commonly within one visit. We pride ourselves on our speed & accuracy. 

Whether you have a malfunctioning furnace or the heating system is not functioning properly, do not concern yourself. Furnaces are complicated appliances and common furnace issues such as cold air coming out of the vent often happen with no warning.

If you’re looking for reliable furnace repair in the Denver metro area, UniColorado Heating and Cooling is the best choice.

Schedule Furnace Repair Service Online

Please note that you'll be contacted to finalize the date & arrival window for your appointment.

Why People Choose UniColorado
denver hvac contractor
Reasonable Pricing

We don’t rely on fake offers and coupons to attract customers. Our pricing is reasonable from the start and lower than most licensed companies in the Denver metro area. That’s a guarantee.

Fast Response

We were on-time 97% of the time in 2022. We can handle emergency home heating repairs so you don’t suffer in the cold. Schedule online or give us a call at (303) 997-0097 to discuss timing; We look forward to speaking with you about soon!

Honest Experts

Our goal for repairs is to get your existing system back up and running as soon as we can at the lowest possible cost to you. If you need a furnace replacement or furnace installation, the equipment we offer will be the best at a lower cost than other companies will quote you. 

Get the Furnace Checked Today

We provide fast furnace repair and other forced-air heating services throughout the greater Denver Metro area.

Residential Customers
$75 Diagnostic Fee*
*Waived with any repair or service from us

Our technician will visit the property, diagnose issues and provide all options and pricing upfront.

Furnace Repair Costs

We charge $75 to visit your home & diagnose the issue. You’ll be provided with all options possible. Most of our customers spent around $150 – $840* to repair their furnace in 2022*. The total cost to repair a furnace can vary widely.

Most furnaces require annual or bi-annual service. If the unit is not serviced or filter changes are not regular, units can fail prematurely. As the unit ages (typically past the 10-year mark), part failure rates increase. If you haven’t serviced your furnace lately but considering it, we offer furnace maintenance services for functioning units.

The most common issues for furnaces in Colorado are sensor failure, blower or inducer draft motor failure, non-functional control boards & dirty filters.

furnace repair

Why is the furnace not working?

SymptomCommon CausesTimeline
Not Turning OnPart Failure, Sensor Failure, Thermostat IssuesTypically fixed same day
Cold Air BlowingSensor Failure, Part Failure, Low Gas PressureTypically fixed same day
Gas SmellLoose Connection, Damaged Gas Lines, Cracked Heat ExchangerCall Xcel Energy or your utility provider before calling an HVAC provider.
Water LeakClogged Condensate Line, Failed Condensation Pump, Clogged DrainTypically fixed same day
Major Part FailureAge of the unitVaries

Furnaces can fail for a wide variety of reasons. Some issues may be remedied by a simple filter change while most commonly parts will need to be replaced.

We have complied a list of common furnace issues and typical causes with average timelines to fix them. Please keep in mind that a gas furnace or airhandler unit may fail for a wide variety of reasons and only the most common causes are listed here. In furnaces older than 20-30 years old, the pilot light going out can be an additional issue that’s not listed in our table.

We carry common parts on our trucks and have most systems running the same or next day. In rare instances, parts have to be special ordered.

Common Furnace Units
Standard Efficiency
High Efficiency
Electric Airhandler
Heatpump Certified

Furnace Repair Services

Nobody wants to come back to a cold house. Our Denver furnace repair specialists are available 7 days a week.

If your furnace is not working well, the Denver furnace repair experts at UniColorado will diagnose the issue and provide you with all solutions; we complete most repairs in one visit. Plus, we’ll help you keep your system in tip-top shape so the cold never steals your comfort at home.

We offer furnace replacement and furnace maintenance for residential properties as well.

If you’re looking for a furnace repair company, we provide excellent heating and air conditioning services at competitive rates. Keeping your heating system in good shape and help you save money over the long run and with our visit, we’ll give you helpful tips in how to increase the efficacy of your heating system during the cold months.

heating services
Furnace Repair FAQ
How much do you charge to check my furnace?

The cost to visit the property is $75.


The $75 is waived if we repair or service your unit, so you only pay for what you need.

When is your earliest availibilty?
Can you repair an old furnace?

It depends, but we will try our best.

We ask that you keep in mind that as the unit ages, more and more parts can start failing randomly.

At a certain furnace age, it makes more sense to replace than repair, similar to an old car.

We charge $75 to check the unit and provide all options.

If you just want a replacement quote for your furnace, it’s a free estimate.

What is the most common problem with furnaces?

Dirty filters are the most common cause of furnace part failure; dirty igniters, flame sensors and failed sensors are the most common causes that require a furnace repair to be solved.

Beyond reguarl issues, blowers, inducers and generally the moving parts in furnaces get loose and fail overtime as well.

What is the most expensive part to fix on a furnace?

Typically the heat exchanger is the most expensive part to repair in a gas furnace which can cost upwards of $2,000 and more; if your heat exchanger has cracked, it’s unsafe to operate and it should be looked at as soon as possible.

Inducer draft motors are behind heat exchangers in how expensive they can be to repair.

Generally, with furnace repair, if the repair costs exceeds a reasonable amount for the age of the furnace, it’s typically recommend that the furnace be replaced.

My furnace keeps turning on and off

If you furnace struggles to stay on, it needs to be checked as soon as possible and a furnace repair may be required. Waiting can lead to more serious damage & wear on the system.

How often should I replace my air filter?

All central HVAC systems assume free airflow and are designed as such.


Your air filter is crucial and needs to be replaced every 30-60 days but it varies house to house.


Simply check your filter reguarly and replace or wash permanent filters if dirty.

Do you offer furnace replacement services?

We offer furnace replacement services to Denver & all adjacent metro area residents. For more information, click here

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