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Thermostat installers and replacers in Portland

Avatar for Aire Serv of Southern Maine
Aire Serv of Southern Maine
-
4.54(
37
)
Approved Pro
Aire Serv of Southern Maine
-
4.54(
37
)
Approved Pro
Customers say: Super punctual
369 local quotes requested
24 years of experience

Indoor Air Quality, Heating, Air Conditioning and Indoor Air Quality Products, and Commercial Services for your business. Our Exclusive Written Guarantees Are Designed to Protect You and Your Home Request a free home estimate, Design your own heating and cooling system, Shop for filters or accessories online, Request an In-Home Aire Quality Survey .

"Total Ripoff! My boiler stopped working the other day and my usual company was unable to come out due to being short-staffed that day. I resorted to google and unfortunately came across Aire Serv. Their technician (who was very nice) came out to assess the situation and determined it was caused by a damaged pilot assembly. After calling around for replacement parts, I was told that the parts were out of stock until later in the week. Despite this, I was still charged $234 for the trip fee and diagnostic fee. I was then quoted $1112 for the repairs to be done once the parts were in. I shared this quote with my normal company and they were appalled! Thankfully they fixed the issue for less than half the price Aire Serv was going to charge me! PLEASE do not use this money-grubbing company, and instead use a local independent company if you need heating work done!"

Brian F on March 2025

Indoor Air Quality, Heating, Air Conditioning and Indoor Air Quality Products, and Commercial Services for your business. Our Exclusive Written Guarantees Are Designed to Protect You and Your Home Request a free home estimate, Design your own heating and cooling system, Shop for filters or accessories online, Request an In-Home Aire Quality Survey .

"Total Ripoff! My boiler stopped working the other day and my usual company was unable to come out due to being short-staffed that day. I resorted to google and unfortunately came across Aire Serv. Their technician (who was very nice) came out to assess the situation and determined it was caused by a damaged pilot assembly. After calling around for replacement parts, I was told that the parts were out of stock until later in the week. Despite this, I was still charged $234 for the trip fee and diagnostic fee. I was then quoted $1112 for the repairs to be done once the parts were in. I shared this quote with my normal company and they were appalled! Thankfully they fixed the issue for less than half the price Aire Serv was going to charge me! PLEASE do not use this money-grubbing company, and instead use a local independent company if you need heating work done!"

Brian F on March 2025


davis construction
New on HomeAdvisorNew on Angi
Approved Pro
davis construction
New on AngiNew on HomeAdvisor
Approved Pro
256 local quotes requested
2 years of experience

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!


Avatar for Maine Air Comfort
Maine Air Comfort
93 Warren Ave.
5.00(
2
)
Approved Pro
Maine Air Comfort
93 Warren Ave.
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
425 local quotes requested

Maine Air Comfort is a leading heating and air conditioning service provider dedicated to providing exceptional services for residential properties in Maine. Fueled by deep industry knowledge, human-centric technicians and commitment to servicing the community, we ensure our customers receive the best care they can trust and rely on.

"The Maine Air Comfort team is exceptional. They were able to come out for a quote right away and in less than a week installed my new boiler. Rob took the lead on my project and was excellent with communication, competent, and thorough."

Shayne B on April 2024

Maine Air Comfort is a leading heating and air conditioning service provider dedicated to providing exceptional services for residential properties in Maine. Fueled by deep industry knowledge, human-centric technicians and commitment to servicing the community, we ensure our customers receive the best care they can trust and rely on.

"The Maine Air Comfort team is exceptional. They were able to come out for a quote right away and in less than a week installed my new boiler. Rob took the lead on my project and was excellent with communication, competent, and thorough."

Shayne B on April 2024


Avatar for DeSantis Heating and Cooling
DeSantis Heating and Cooling
44 Hall Rd
5.00(
4
)
Approved Pro
DeSantis Heating and Cooling
44 Hall Rd
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
627 local quotes requested

***WE DO NOT SERVICE HOT WATER** DeSantis heating and cooling is a family owned business. We have 23 years of business and still going strong. We specialize in whole house hvac installs and mini split installs.

"DeSantis heating saved me over 8000 dollars. A previous company told me I needed a new furnace after 15 minutes DeSantis repaired it on the existing furnace costing me 79 dollars."

Gary B on December 2024

***WE DO NOT SERVICE HOT WATER** DeSantis heating and cooling is a family owned business. We have 23 years of business and still going strong. We specialize in whole house hvac installs and mini split installs.

"DeSantis heating saved me over 8000 dollars. A previous company told me I needed a new furnace after 15 minutes DeSantis repaired it on the existing furnace costing me 79 dollars."

Gary B on December 2024


Avatar for Jack of All Trades Handyman Services
Jack of All Trades Handyman Services
66 Frost Road
5.00(
1
)
Approved Pro
Jack of All Trades Handyman Services
66 Frost Road
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
213 local quotes requested

We are here for all your handyman needs. We cover interior and exterior carpentry work including interior painting and remodeling , minor masonry, electrical and plumbing. We also install appliances and furniture. We also provide Gutter maintenance and yard work including fence repair.

"He did a great job"

January P on December 2024

We are here for all your handyman needs. We cover interior and exterior carpentry work including interior painting and remodeling , minor masonry, electrical and plumbing. We also install appliances and furniture. We also provide Gutter maintenance and yard work including fence repair.

"He did a great job"

January P on December 2024


Avatar for Pine State Services
Pine State Services
3 Eisenhower Drive
4.39(
185
)
Approved Pro
Pine State Services
3 Eisenhower Drive
4.39(
185
)
Approved Pro
Customers say: Super punctual
463 local quotes requested
30 years of experience

Why wait? Call Pine State Services! We are a locally owned company. We are leaders in green technology and energy for Southern Maine. Call us to find out how you can go green and save money and the environment. We are proud of our superior customer service, quality of work and technical training we provide our technicians. We welcome you to schedule a tour of our showroom to examine live working heating and cooling systems so you can be better educated before making a purchase decision. Order service 24/7 from our website or by calling 207-Why-Wait. (949-9248) Thanks for checking us out on Angie's List. Additional customer testimonials are online at www.pinestateservices.com.

"Yes, Pine Tree is highly responsive and easy to work with."

Haver M on September 2024

Why wait? Call Pine State Services! We are a locally owned company. We are leaders in green technology and energy for Southern Maine. Call us to find out how you can go green and save money and the environment. We are proud of our superior customer service, quality of work and technical training we provide our technicians. We welcome you to schedule a tour of our showroom to examine live working heating and cooling systems so you can be better educated before making a purchase decision. Order service 24/7 from our website or by calling 207-Why-Wait. (949-9248) Thanks for checking us out on Angie's List. Additional customer testimonials are online at www.pinestateservices.com.

"Yes, Pine Tree is highly responsive and easy to work with."

Haver M on September 2024


Avatar for Busby Home Services
Busby Home Services
8 Abundance Way
5.00(
7
)
Approved Pro
Busby Home Services
8 Abundance Way
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
271 local quotes requested

Owned and operated by Ryan Busby in Alfred, Maine, Busby Home Services is dedicated to keeping your house looking and functioning great. I pride myself on clear communication, attention to detail, and caring for your home like it was my own. I will ensure your task is done with care in a timely manner. Don’t risk damage to your home or injury to yourself trying to DIY. Contact us today to schedule an appointment and enjoy the peace of mind that comes with a clean, well-maintained home!

"Ryan did excellent work! He is meticulous in his approach to his work, diligently paying attention to details. He is an excellent craftsman and a great individual! He presents as highly professional and genuine!"

Carole S on April 2025

Owned and operated by Ryan Busby in Alfred, Maine, Busby Home Services is dedicated to keeping your house looking and functioning great. I pride myself on clear communication, attention to detail, and caring for your home like it was my own. I will ensure your task is done with care in a timely manner. Don’t risk damage to your home or injury to yourself trying to DIY. Contact us today to schedule an appointment and enjoy the peace of mind that comes with a clean, well-maintained home!

"Ryan did excellent work! He is meticulous in his approach to his work, diligently paying attention to details. He is an excellent craftsman and a great individual! He presents as highly professional and genuine!"

Carole S on April 2025


Avatar for Freedom Air Mechanical
Freedom Air Mechanical
150 Mount Hope Rd
4.77(
13
)
Approved Pro
Freedom Air Mechanical
150 Mount Hope Rd
4.77(
13
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
563 local quotes requested

As a Veteran owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. With attention to detail and a great work ethic your project is in good hands. We work with you to make sure the end result meets your needs. Our work is done with integrity, and it will show in the completion of your project. We are an Efficiency Maine Registered Contractor and are also a contractor for the NEIF. We install heat pumps low temp or standard temp applications. We use manufacturers such as Mitsubishi, Gree or Daikin. These systems can provide low temp heating options down to -22 degrees! We provide installations of Hybrid Water Heaters, Gas and or Oil fired boiler replacements. We also offer Warm air furnace replacements and central ac replacements. Anything hvac/r related we can do. With over 23 years in the field residential/commercial our techs can handle any project. Give us a call at 207-849-0238 or check out our website freedomairhvacr.com to schedule a free estimate today!

"Diagnosed the problem and repaired in a timely manner"

Jim H on July 2024

As a Veteran owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. With attention to detail and a great work ethic your project is in good hands. We work with you to make sure the end result meets your needs. Our work is done with integrity, and it will show in the completion of your project. We are an Efficiency Maine Registered Contractor and are also a contractor for the NEIF. We install heat pumps low temp or standard temp applications. We use manufacturers such as Mitsubishi, Gree or Daikin. These systems can provide low temp heating options down to -22 degrees! We provide installations of Hybrid Water Heaters, Gas and or Oil fired boiler replacements. We also offer Warm air furnace replacements and central ac replacements. Anything hvac/r related we can do. With over 23 years in the field residential/commercial our techs can handle any project. Give us a call at 207-849-0238 or check out our website freedomairhvacr.com to schedule a free estimate today!

"Diagnosed the problem and repaired in a timely manner"

Jim H on July 2024


Avatar for New England Handyman Services, LLC
New England Handyman Services, LLC
Conant St.
New on HomeAdvisorNew on Angi
Approved Pro
New England Handyman Services, LLC
Conant St.
New on AngiNew on HomeAdvisor
Approved Pro
8039 local quotes requested
11 years of experience

We specialize in handyman services, remodeling, hauling, demolition, home repairs, home improvements, and much more. We pride ourselves on the quality work we provide, while delivering great customer service. Please see the services we offer below and call -or- click to schedule a free estimate today!

We specialize in handyman services, remodeling, hauling, demolition, home repairs, home improvements, and much more. We pride ourselves on the quality work we provide, while delivering great customer service. Please see the services we offer below and call -or- click to schedule a free estimate today!


Binette Plumbing & Heating
161 East Ave
No reviews
Binette Plumbing & Heating
161 East Ave
No reviews
27 years of experience
...
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Thermostat installations and replacements FAQs

It's often worth replacing your old thermostat with a newer model that can enhance your home's comfort and energy efficiency. Upgrading to a programmable or smart thermostat can save you up to $200 per year on energy bills. Plus, smart thermostats offer convenient features like remote control and learning capabilities, making your home more comfortable and easier to manage.

Signs of a bad thermostat include your HVAC system not turning on when it's supposed to or failing to reach the desired temperature. If the thermostat's display is blank or not functioning properly, it could be malfunctioning. Another indicator is the HVAC system running continuously without shutting off or cycling on and off too frequently. You might also notice uneven temperatures throughout your home, with some rooms being too warm or too cold. These issues suggest that the thermostat is failing and may need repair or replacement to ensure your HVAC system operates efficiently.

A thermostat should last between 10 to 20 years, depending on its quality and how well it's maintained. Over time, dust, wiring issues, and general wear can affect its performance. Even if a thermostat is still functioning after 10 years, you might choose to replace it to take advantage of newer energy-saving technologies and smart home integrations. Upgrading to a modern thermostat can improve efficiency, offer more control over your home's climate, and potentially lower energy bills.

The number of thermostats you need depends on your home's size, layout, and heating and cooling zones. In a standard single-zone HVAC system, one thermostat controls the temperature for the entire home. However, larger homes or those with multiple floors might benefit from multiple thermostats linked to a multi-zone HVAC system. This setup can offer better comfort and energy efficiency: It lets you customize the temperature in different areas, so you're only heating or cooling the spaces you're using.

Replacing a thermostat typically takes a professional technician about one to two hours to complete. If you're swapping out an existing thermostat for a similar model with compatible wiring, the process can be done in less than an hour. However, installing a new thermostat that requires additional wiring, such as a smart thermostat, or moving the thermostat to a new location can extend the time to two hours or more. Complex installations may also involve cutting into drywall or integrating with other home systems, which can add to the duration.

There are a few things that can cause your home thermostat to fail. The most simple one is age and cleanliness. Dirt, grease, dust, and other small particles can clog sensors and cause malfunctions in readings. You may also have a failing power supply and loose connections, and the simplest cause is that it isn't installed in the right place in your home so it can't properly sense air temperature. Repairing a thermostat costs around $210.

The homeowners guide to thermostat installations and replacements
From average costs to expert advice, get all the answers you need to get your job done.
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