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TRUSTED BY DENVER, PA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon101
    Verified heating and air conditioning services reviews

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

Avatar for DuctGurus, LLC
DuctGurus, LLC
4.9(
225
)
Air Ducts & Vents - Clean

Serving Denver, PA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Hired to clean HVAC duct work in my home. They professional and meticulous about their work. They were on time and continued to work until the job was done. They gave me timely advice on system maintenance. Their work is outstanding."
HVAC Duct Cleaning
HVAC Duct Cleaning
HVAC Duct Cleaning
HVAC Duct Cleaning
Dryer Duct Cleaning

+190

Response time1 day
Response rate85%
63 neighbors recently requested a quote
Avatar for H L Bowman
H L Bowman
4.6(
430
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install+12 more

Serving Denver, PA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Great experience Justin, Nate & Timothy were awesome. Very knowledgeable, professional & curious. Aside from the cleanliness they delivered an experience. I highly recommend HL bowman if you want rapid service on your HVAC. Pricing was reasonable in my opinion & financing is an option. Keep in mind when seeking quotes for your HVAC repair/ new install you must consider performance over equipment, that is if your want a good system that will have a good run/life span."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

459 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Rohrer's One Hour Heating and Air Conditioning
Rohrer's One Hour Heating and Air Conditioning
4.7(
274
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallOil Furnace / Forced Air Heating System - Install+9 more

Serving Denver, PA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1959

Free estimates

Emergency services offered

"The technician Adam couldn't have been more professional and helpful. He arrived on time and was very courteous. He quickly was able to assess the problem and repair it. I'd recommend One Hour Heating and Air Conditioning to anyone looking to install or repair their HVAC system."
 Installations
 Technicians
 Office
  Installations
  Technicians

+16

81 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Jason E Brubaker, LLC
Jason E Brubaker, LLC
4.8(
39
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Repair+3 more

Serving Denver, PA and surrounding areas

Approved

In business since 2001

Warranties offered

Credit card accepted

"If I ever have a problem with my central air unit, I would hire Jason E Brubaker, LLC again without a second thought. I had put a claim into HomeAdvisor because my central air unit was not blowing cold air. Not only did they put a bid in within a couple hours, but they were also able to schedule me in for later that same week. Brent gave me a call to let me know he was coming and arrived right when he said he would. He was very respectful and professional especially with how the state that the world is in right now. He quickly found the problem, explained it in a way I could understand, and got a replacement part within minutes. The whole process only took a little over an hour. Brent even took the initiative to adjust some of the piping at the unit in my basement to avoid future problems and was very patient throughout the process. He also did all of this while it was raining and took extra care not to track mud or water into the house. I highly recommend this company for any HVAC issues that you might have!"
High efficiency Propane furnace
High efficiency RheemAir conditioning
New air conditioning
New air conditioning
New air conditioning

+8

Response time1 day
7 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Hoffman Mechanical
Hoffman Mechanical
5.0(
24
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - Service or RepairGas Boiler or Radiator Heating System - Repair+7 more

Serving Denver, PA and surrounding areas

Approved

In business since 2024

Free estimates

Customers say: True professional

"Woke to a chilly home stemming from a heat-pump issue. Posted my repair service need on Angi and within minutes, received a text and phone call from HOFFMAN MECHANICAL, who was able to come out same day and got my Lennox unit up and running again at a fair cost for both parts and the weekend/after hours service call fee. I would use them again without hesitation, and I am happy to highly recommend this company!"
Bosch install
Bosch install
Response time8 hrs
Response rate89%
38 neighbors recently requested a quote
Old Skool HVAC,LLC
4.4(
11
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallElectric Furnace / Forced Air Heating System - Install+47 more

Serving Denver, PA and surrounding areas

Approved

In business since 1982

Emergency services offered

Warranties offered

"I can't say enough about the team at Old Skool HVAC. I learned of this organization from a close friend who had work done and recommended them. Frank is a great guy. On time, professional, knowledgeable, and his team is a reflection of this as well. They were always on time, on schedule, clean, and very personable. They finished our job a little early, and during the first heat wave just about week or two ago, our house never felt better. Great service, quality, and pricing. It's funny, with central AC, you never really know that it's hot out until you leave the house and come home. It's during this first transition that I realized how quiet and effective of a system that was installed. If you are looking for any form of HVAC work in your home of business, I'd recommend contacting this group of professionals."
Response time1 day
7 neighbors recently requested a quote
Recommended by90%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

You will only need to refill your AC with refrigerant if it has a leak. Otherwise, a modern, well-maintained AC will most likely never need a recharge. You may notice a leak in an older system if your bills are higher, you hear a hissing sound, or if the air is blowing out hot.

NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in different types of HVAC systems, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings.

There are many signs of a bad AC fan motor, including if the fan blades don’t spin when the AC kicks on or if they keep spinning when the AC is off. The AC fan cools down the condenser coil, so a faulty motor can also cause the system to overheat. Unusual noises in the exterior AC unit, including grinding or rattling sounds, may also be a sign that the AC fan motor is worn out.

While 72 degrees is a comfortable setting for many people, it’s likely not the most efficient temperature setting for your air conditioning unit. By pushing the temperature up to 75 or 78 degrees, you stand to save money on your energy bill. That said, these temperatures may be too warm to be comfortable for some people and are definitely too warm for most people to sleep comfortably.

Excessive humidity in a room often manifests through visible signs like condensation on windows or walls, a musty or damp odor lingering in the air, peeling wallpaper or paint, and the presence of mold or mildew. Experiencing discomfort due to a consistently clammy or sticky feeling can also indicate high humidity levels.

The Denver, PA 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.