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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon777
    Verified heating and air conditioning services reviews

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

Avatar for Royal Comfort
Royal Comfort
5.0(
18
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+45 more

Serving Millwood, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"These guys are great. They came to assess the situation (problems with our oil furnace) and thoroughly reviewed options. We went with them for a furnace replacement, as well as a heat pump to replace our standard a/c units. They came in much cheaper than the two other companies we consulted (one of which we had used for almost 50 years (since the house was new). We're thoroughly happy with our new HVAC setup, and even the fancy Nest thermostat. Highly recommended!"
The new Bryant 16 SEER2 Unit
Look at all those Mitsubishis!
The new boiler & tank to keep these folks warm for many years to come!
The old broken unit
Additional Photos

+6

Response time3 days
10 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Millwood, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Can't speak highly enough of Ali. Prompt, courteous, but most importantly able to get to the bottom of problem without ripping off the customer. AN HONEST MAN! After many years of searching, I've finally found an HVAC repair company that I can trust! Happy days are hear again."
Additional Photos
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Additional Photos

+1

2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for CJ Mechanical
CJ Mechanical
5.0(
90
)
Central A/C - Service or RepairDucts & Vents - Install or ReplaceGas Furnace / Forced Air Heating System - Repair+4 more

Serving Millwood, NY and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"We hired Joe to initially install a new Ecobee thermostat. He is thoroughly professional, does great work and highly recommend him. He inspected our HVAC system and changed and properly aligned our air filters. We intend on using him again for maintaining our HVAC system."
High-efficiency conversion
High efficiency conversion
High efficiency conversion.
High-efficiency conversion
97% furnace

+7

Response time5 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for AC Air Duct Cleaning
AC Air Duct Cleaning
5.0(
30
)
Air Ducts & Vents - Clean

Serving Millwood, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"The assigned technician, John, was on-time, knowledgeable, provided suggestions, and thorough. Oftentimes, people don’t realize how important this service is. If I were you, I would book AC Air Duct cleaning!"
Additional Photos
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+29

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Perfect Air Solutions
Perfect Air Solutions
4.8(
118
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+14 more

Serving Millwood, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"John is extremely knowledgeable and passionate about his craft. We first started working with him when we were first time home owners in White Plains. Now that we've moved, we continue to call on him for his expertise and professionalism. He has recently done a replacement job for us and we couldn't be happier with the timeliness, cost, and overall quality of service. He is very accommodating and answers any questions without making you feel like you "should know" things. We look forward to continuing our business with him for other HVAC projects down the line."
Mitsubishi Install
Mitsubishi Install
Mitsubishi Install
Mitsubishi Install
Carrier Furnace replacement

+5

Response time1 day
79 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Supreme HVAC Solutions, Inc.
Supreme HVAC Solutions, Inc.
5.0(
15
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - InstallDucts & Vents - Install or Replace+7 more

Serving Millwood, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Andre and his team did an AWESOME job removing my decades-old HVAC system, including the air handlers, and replaced all with new, energy-efficient equipment in a matter of days. The only hiccup was waiting on the town permit, but once it was issued, the Supreme team was onsite and had everything working perfectly. A job well done at a more than reasonable price - HIGHLY, HIGHLY recommend!!!"
HVAC installation
Response time8 hrs
Response rate100%
3 neighbors recently requested a quote
Affordable Heating & Cooling of NY Inc.
4.3(
53
)
Central A/C - Service or RepairOil Boiler or Radiator Heating System - RepairElectric Boiler or Radiator Heating System - Repair+15 more

Serving Millwood, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"All Seasons Comfort HVAC has done two different systems installation for me. They have also provided service work and regular maintenance on these systems. Their quality of service, their pricing, and the work that the licensed HVAC Technicians have done for me have always exceeded my expectations. Based on these past experiences, I highly recommended this company!"
Response time4 hrs
Response rate86%
10 neighbors recently requested a quote
Avatar for B-Dyson Electric
B-Dyson Electric
4.9(
127
)
Thermostat - Install or Replace

Serving Millwood, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Best of the best. Upgraded service to 200A, new meter whole install, and EV charger. When no one wanted to do this work, theyâ d done it with highest professionalism and value."
kitchen renovation
office
Conference Room Lighting
Conference Room
Office Space Hallway Lighting

+7

Response time11 hrs
7 neighbors recently requested a quote
Recommended by91%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The size window AC you need depends on the BTU and the size of the room you’re cooling. For a room with 8-foot ceilings, look for about 20 BTU per square foot of the room. For example, a 12-by-12-foot room should have an air conditioner with 2,880 BTU. You can buy something slightly more powerful, but don’t overshoot the BTU for a small room, or you’ll waste energy and have higher bills.

It depends on the type of AC unit and the extent of the mold growth. For example, if you have a small amount of mold in your central air conditioner, it’s worth cleaning it to protect your HVAC system and your health. In situations like these, you can often remove the mold yourself in a couple of hours. On the other hand, if you have a portable AC unit with a severe mold problem, it makes more sense to buy a new one. On average, replacing a portable AC unit costs $100 to $500.

The best way to save money on HVAC repairs is by regularly having your system inspected and maintained. This can prevent bigger problems and costly repairs and replacements in the future. It’s also smart to buy quality equipment and hire companies that provide warranties on equipment and labor. If you need repairs, you may be able to save money by cashing in on rebates and incentives or keeping the area around your HVAC unit clear to shorten the time your contractor needs to spend in your home.

The $5,000 rule for HVAC systems helps homeowners decide whether to repair or replace an AC or furnace. Take the quote for the HVAC repair cost and multiply that by the age of the HVAC system. If the total is higher than $5,000, it’s more cost-effective to replace the system. If the total is lower than $5,000, consider repairing the system.

Here’s how AC professionals will clean your AC coils:

  1. Unplug the AC unit or turn off the breaker to the unit in your circuit breaker box.

  2. Remove the faceplate.

  3. Spray a vacuum hose attachment or compressed air can to remove debris, dust, dirt, and grime.

  4. Use a soft-bristled fin comb to remove stubborn caked-on debris.

  5. Use the vacuum hose to suck up any extra debris.

  6. Take a coil-safe cleaning solution and spray it onto the coils. Try to choose a no-rinse solution.

  7. Let the solution sit for at least 15 minutes.

  8. Gently wipe away loosened grime and debris with a microfiber cloth.

  9. Reattach the faceplate, plug in your AC system, or turn the breaker back on.

The Millwood, NY 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.