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Best heating and air conditioning pros near Hartsel, CO

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Top-Rated Heating and air conditioning pros in Hartsel - Updated Nov 2026

Avatar for Thermal Mechanics
Thermal Mechanics
5.0(
6
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceGas Furnace / Forced Air Heating System - Install+23 more

Serving Hartsel, CO and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

Full system install
4 neighbors recently requested a quote
Hayden's General Construction and Repair
5.0(
7
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Hartsel, CO and surrounding areas

Approved

Emergency services offered

Customers say: True professional

"Hayden is one of the best men I’ve had to come to my house for repairs. He is very reliable, and he doesn’t leave until the job is done right, even after working all day he still found the time to stop by my house so I would have a working sink for the holidays, and same goes for when I needed help with my furnace, after working all day he didn’t want us to be without heat, and he replaced my door for me I can’t say enough about how reliable and efficient he is his work is a 10 out of 10 hands and I would recommend him to anyone!"
Additional Photos
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+57

Response time1 day
Response rate100%
4 neighbors recently requested a quote
K&G builder’s
New to Angi
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+24 more

Serving Hartsel, CO and surrounding areas

Approved

We provide complete HVAC solutions for both residential and commercial projects throughout Denver and all of Colorado.\n\nWe specialize in the installation, maintenance, and repair of:\n✔ Central air conditioning systems\n✔ Mini split systems\n✔ Furnaces (heating systems)\n✔ Full HVAC systems\n\nOur team is committed to delivering accurate diagnostics, efficient solutions, and high-quality workmanship on every job. Whether it’s a small residential service or a large commercial project, we have the experience and capability to get the job done right the first time.\n\nWe focus on comfort, energy efficiency, and long-term system performance, adapting every installation to meet Colorado’s climate demands.\n\n✔ Residential & Commercial Work\n✔ Reliable and Professional Service\n✔ Fast and Efficient Response\n\n📍 Serving Denver and all of Colorado\n📞 Free estimates available\n

Avatar for The Duct Doctor Of Denver LLC
The Duct Doctor Of Denver LLC
New to Angi
Air Ducts & Vents - Clean

Serving Hartsel, CO and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Welcome to our duct cleaning and indoor air quality service! Founded by a passionate professional from the medical field, At The Duct Doctor Of Denver we understand the crucial link between air quality and your health. Our mission is to provide top-notch services at affordable prices, ensuring that everyone can breathe easier without breaking the bank. Trust us to put your health first with reliable and affordable high-quality solutions.

Avatar for Electrical Innovations LLC
Electrical Innovations LLC
New to Angi
Thermostat - Install or Replace

Serving Hartsel, CO and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Electrical innovations provides electrical safety for families homes, and peoples businesses. We are a fully licensed and insured company who’s been in business since 2010. We are a family owned and operated business who strives for making families happy and satisfied returning customers.

Outdoor lighting
McBride Plumbing & Remodeling
New to Angi
Electric Boiler or Radiator Heating System - InstallElectric Boiler or Radiator Heating System - RepairGas Boiler or Radiator Heating System - Install+3 more

Serving Hartsel, CO and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

I have 8 years of plumbing experience, working side by side with my dad and learning the trade through hard work and hands-on experience. I take pride in providing quality workmanship, solving problems efficiently, and treating every home with care and respect. The best part of my job is helping customers by delivering honest, reliable service and making sure they're satisfied with the work.

Avatar for Comfort By Design
Comfort By Design
4.8(
42
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Hartsel, CO and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"Comfort by Design did a fantastic job with my water heater from start to finish. When I called, the receptionist was highly knowledgeable about scheduling and pricing, and she was quite willing to let me call other places since I was researching price and availability. I ended up sticking with Comfort by Design largely because the receptionist was not pushy, listened well to me, and had technicians available that day. I like hiring companies with whose employees listen to me and work with me to solve a problem, as opposed to pressuring me to choose them or to buy more than I'm comfortable with. My initial interaction with Comfort by Design met those criteria. A technician arrived within the time-frame I was quoted, and he had the part I thought was broken on my water heater. After diagnosing the issue, though, he discovered that there was at least one other broken/malfunctioning part that needed to be replaced. He showed me the problem and explained the process of replacing it. After discussing my options with the technician, I decided to replace the water heater. At no point did I feel pressured into making that decision. The best surprise of the day was that Comfort by Design was able to replace the water heater immediately. Another technician was available to immediately bring the water heater, and the two techs worked together to install the new one and remove the old one. They also carted the old one away. Before leaving, they patiently answered several other questions I had, and they explained and scheduled the necessary inspection of their installation. They did a great job respecting my property while moving the large water heaters, and they did a great job cleaning up after themselves. Finally, the cost was reasonable and about what I expected to pay. Custom by Design is definitely going to be the first place I call should I have any plumbing or HVAC (they also do HVAC!) needs in the future."
Mini Split Install
A/C Install
Before
Furnace Install
Mini Split Install

+16

Response time10 hrs
Response rate100%
Recommended by89%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

The simplest indicator is how long it’s been since your last tune-up. You should schedule an annual AC tune-up each spring. Beyond that, there are multiple signs that your AC needs a quick check by a professional. These issues include higher-than-average energy bills, decreased air flow from vents, higher indoor temperatures, and an air conditioning unit that stays on all the time or frequently turns on and off.

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

Signs of a damaged evaporator coil include warm air from vents, frequent starts and stops without proper cooling, failure to turn on, refrigerant leaks, and unusual noises. If you suspect issues with your AC system or its components, it’s best to call an AC repair technician for proper diagnosis and repairs.

The Hartsel, CO homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.