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Avatar for Aire Serv of Southern Maine
Aire Serv of Southern Maine
4.5(
37
)

Serving Windham, ME and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"They were very responsive and helpful they technician showed up on a timely manner and resolved the problem quickly! I look forward to working with them again in the future!"
Additional Photos
Commercial Heating and Cooling
Indoor Air Quality
40 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Freedom Air Mechanical
Freedom Air Mechanical
4.8(
14
)

Serving Windham, ME and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Repairs were excellent and thorough "even well documented". The tech found units low on coolant. He identified and repaired multiple refrigerant leak points. I have dealt with many HVAC contractors over the years and Freedom Air Mechanical is one of the best. I highly recommend."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+36

Response time2 days
6 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for HVAC Solutions 207, LLC
HVAC Solutions 207, LLC
4.9(
72
)

Serving Windham, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Ryan, the owner, was very knowledgeable and responsive. He came right out to our home and diagnosed the problem with our split unit. I would highly recommend this company."
Install
Install
Response time5 hrs
Response rate92%
23 neighbors recently requested a quote
Avatar for Lakes Region HVAC
Lakes Region HVAC
5.0(
13
)

Serving Windham, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Small jobs welcome

"I hired Sam to look at our mini split but he advised we didnâ  t need any service as there were no issues. His honesty was very much appreciated."
Outdoor unit for first floor
Outdoor unit for second floor
Kitchen unit
Second bedroom unit
Dining room unit

+5

Response time1 day
4 neighbors recently requested a quote
Recommended by58%of homeowners
Avatar for Heat Pumps of Maine
Heat Pumps of Maine
4.8(
17
)

Serving Windham, ME and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"Incredibly professional, always happy to answer questions. Unlike other places that install and you never hear from again, Cam, David, and crew make sure your heat pump stays in tip top shape with yearly cleanings. They even offered to clean a unit that another contractor put in a year prior who refused to come clean it. I got quotes from over 8 different companies for my second heat pump, and Heat Pumps of Maine were a clear step above the rest."
Heat Pump
Heat Pump
Heat Pump
Heat Pump
Response time1 day
1 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Northwoods HVAC
Northwoods HVAC
5.0(
6
)

Serving Windham, ME and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"Josh installed a new water heater, provided us with instructions on proper use and maintenance and has serviced it since. He is honest, thorough, and trustworthy. He also maintains my dad’s HVAC needs too. He has come out for emergency calls too. Suggest things to prevent future additional repair expenses. His prices are reasonable, especially for the personal, friendly customer service and service provided. I would highly recommend Northwoods HVAC."
5 neighbors recently requested a quote
Avatar for Edge Energy
Edge Energy
5.0(
22
)

Serving Windham, ME and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Recently had Edge Energy install central a/c in my condo. Work with Joel (co owner) and Mike (technician). Very professional. Overall great experience. There were a few minor glitches but were but were quickly resolved. Highly recommend."
Stand Mounted Condenser
Little Wing
Westbrook St.
Westbrook St.
Little Wing

+12

Response time1 day
Response rate93%
32 neighbors recently requested a quote
Avatar for SEASIDE HEATING AND COOLING LLC
SEASIDE HEATING AND COOLING LLC
5.0(
5
)

Serving Windham, ME and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

Bryant heat pump
Bryant gas furnace
New boiler
Hydronic piping
Pump manifold

+1

26 neighbors recently requested a quote
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Air Conditioning questions, answered by experts

While an air conditioner can temporarily run with a dirty filter, it is not recommended as it will not work efficiently. A dirty filter forces the system to work harder to circulate cool air, leading to reduced airflow, increased wear and tear, and higher energy bills. This added strain can cause the air conditioner to overheat or fail prematurely. Furthermore, a clogged filter may allow dust and dirt to accumulate in your ductwork, negatively impacting air quality. It is more cost-effective to clean or replace filters regularly than to pay higher utility bills and risk needing to replace the entire AC unit.

There are a few ways to determine if a vent is open or closed. You can inspect the vent and examine the position of the fins. If there are spaces between them, the vent is open. If the fins are flat and touching, the vent is closed. You can also stand under the vent when the system is running to see if you feel air flowing through it.

For washable or electrostatic air conditioner filters, you can soak and rinse them with water. If you rinse the filter with water, make sure to use a faucet, shower head, or garden hose with a gentle water pressure setting, as strong water pressure could damage the filter.

But for disposable filters, water could ruin the filter, even allowing mold to grow in the filter. Instead, these filters should be replaced.

Water buildup in your HVAC system is a cause for alarm. If water accumulates in your ductwork, it can drastically lower your home's air quality and create safety hazards. These risks include mold growth, damage to your HVAC system, and attracting pests that are seeking water into your ducts. Proper insulation and sealing of ducts can prevent this, and regular inspection and maintenance can address water damage problems before they become too severe.

When faced with HVAC issues, it's best to begin by ensuring the thermostat settings are correct for either heating or cooling. If the system isn't responding, check the thermostat for proper function and power supply. It's also important to examine air filters, as clogged ones can decrease performance. Confirm the power supply to the system by checking the circuit breakers and fuses. If these basic steps fail to resolve the issue, contact an HVAC professional for a more detailed diagnosis and repair.

The Windham, ME homeowners’ guide to air conditioning services

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