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Find Furnace / forced air heating system install or replace pros in South Dennis

Avatar for Cotti-Johnson Heating-Cooling-Electrical
Cotti-Johnson Heating-Cooling-Electrical
4.7(
165
)

Serving South Dennis, MA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1948

Free estimates

Emergency services offered

"Gil, RAF and Luis installed a new Lenox furnace/AC in my condo yesterday. They were here on time, worked quickly and were done earlier than I expected. All my interactions with them were informative and friendly and at the conclusion of the installation they took the time to show me, and explain to me what they had done. The new thermostat is a bit of a challenge, but they got me started in the setup process so that I could complete it. Before they left they thoroughly cleaned the areas they had worked in and traveled through. You will be very fortunate if you get this crew to install your new furnace."
Navien Install
Backflow
Outdoor Shower
Well Tank Replacement
Filtration Installation

+62

Response time10 hrs
76 neighbors recently requested a quote
Recommended by90%of homeowners
Local HVAC
4.6(
18
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Local HVAC team was very responsive and recommended the right amount of work to modernize my AC system, which had suffered a leak. Other companies were suggesting either doing too little or too much (and charging a ridiculous amount). Everything worked great and the place was cleaned well."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time8 hrs
5 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Braga Bros, Inc.
Braga Bros, Inc.
5.0(
8
)

Serving South Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1996

Free estimates

Emergency services offered

"Braga Brothers provided exceptional service during my gas furnace installation. The team was punctual and efficient, completing the job with confidence and professionalism. They took care to protect my home and explained the system thoroughly, ensuring I understand the new system. I highly recommend Braga Brothers for anyone in need of HVAC services."
High efficiency System
High Efficiency Hvac Syst
Central Hvac in the Basem
Central HVAC System
Rooftop

+16

Response time6 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for KMD Plumbing
KMD Plumbing
4.4(
40
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"Awesome customer service and quality job! They communicated and performed the work as expected with no delays or issues. Would hire again in a heart beat."
Response time2 days
5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for RLF Heating & Cooling Inc.
RLF Heating & Cooling Inc.
4.9(
10
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Bob did a new mini split install for me and I couldn't be happier with the work. He was professional, timely, and had excellent communication. He was also very knowledgeable and made some great recommendations for the project. I'd recommend him to anyone looking for HVAC work."
Response time6 hrs
Response rate95%
7 neighbors recently requested a quote
Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
4.3(
63
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 1944

Free estimates

Emergency services offered

"Getting an estimate and subsequently replacing an existing backup generator was straightforward. Everything went smoothly and the system is working without any issues. Everyone was polite and professional. Very happy with the company. Highly recommended."
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation

+56

Response time9 hrs
Response rate97%
107 neighbors recently requested a quote
Avatar for Weathervane Home Energy, LLC
Weathervane Home Energy, LLC
5.0(
7
)

Serving South Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I had an excellent experience with Stephanie, Tim, and Spencer during the installation of my mini split system. From the very beginning, they were professional, friendly and communicative. They took the time to explain how the installation process would work and made sure I understood all the benefits of swtiching to the system. I felt well informed and supported. Since the installation, the system has made a huge difference in my hosuehold. The units are quiet, efficient, and give me the ability to control the temperature in all rooms in my household. Not only does it keep the space comftorable by replacing AC's but I've noticed the air quality and drop in my electricity bills are better. I"m grateful for the work this team did and would recommend them toothers. I trust them completely and wouldn't hesitate to use them in the future again. Thank you!"
Heat Pump Condensers
Ductless Mini Split
Response time1 day
Response rate91%
18 neighbors recently requested a quote
Avatar for Paul Foley Electric Co., Inc.
Paul Foley Electric Co., Inc.
4.8(
99
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Hired Paul Foley electric 2 times, first time was 8/28/2020 they installed a whole house generator and Ductless AC and heat all in 1 day ( That was impressive ) The 2nd time was 4/9/2021 they installed outlets in multiple rooms and 2 out door lights, they have to come back and finish another outlet and install another ductless unit in the bedroom. From the office to the install teams they are terrific, (Brandon's the man) All are professional and courteous, (The clean up was impressive also) I would highly recommend them !!!!!"
Auto Transfer Switch
Connection to propane tanks
Housekeeping pad
Trenching
Custom Poured Pad

+13

Response time12 hrs
105 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Cape Cod Electrical, Inc.
Cape Cod Electrical, Inc.
4.9(
179
)

Serving South Dennis, MA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Cape Cod Electrical has done several jobs for us and we highly recommend them. Initially, Nick installed our Generac generator and has kept it serviced over the past few years. Then we approached them about installing a mini-split system this spring. Again, they did an outstanding job and when a slight snafu arrived handled it rapidly and professionally. Nick has also done a smaller electrical job for us. We highly recommend them without reservation. Friendly and courteous and definitely interested in doing an excellent job to everyone's satisfaction."
Ripped down service wire due to storm damage
After repair
After repair
Existing center light
New recessed lighting with pendent over island

+10

Response time2 days
Recommended by83%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in South Dennis, MA

Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.

Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.

With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.

The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.

Consulting with an HVAC professional can help you determine the exact size that's right for your home.

An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.

An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.

The South Dennis, MA homeowners’ guide to furnace / forced air heating system installs or replaces

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