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

Avatar for ABCastello's Heating and Cooling
ABCastello's Heating and Cooling
4.6(
101
)

Serving Mendham, NJ and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Our oil burner began emitting Carbon monoxide (CO) early one morning and stopped working. We called several repair services and no one called us back in a timely manner. We found AB Castello's on Angie's List, completed the Angie's List form and Desmond from AB Castellos called us immediately. Robert arrived less than an hour later. The first thing he did when he arrived was check for CO emissions. He then determined that our 16 year old furnace needed to be replaced. Later that day we received an estimate via email, had all of our questions answered on the phone, and arrived the next morning prepared to remove and replace our furnace. Desmond and Robert worked all day, into the evening, in order to install the new furnace. They were determined not to leave us one more night without heat. They were very polite, pleasant, neat and did an excellent job. I would highly recommend this company should you need service of any kind. Their response time was better than almost any other contractor we have hired, and their work excellent. They also cleaned up very well before leaving our home, and were very careful as they carried equipment in and out of our house. I cannot speak highly enough of them"
Air conditioning installation
A/C compressor replacement
410A charging system
Oil-Gas conversion
Propane-Gas conversion

+24

Response time11 hrs
Recommended by95%of homeowners
Avatar for Speer Air
Speer Air
4.6(
165
)

Serving Mendham, NJ and surrounding areas

Approved

In business since 1958

Free estimates

Emergency services offered

"Speer Air just completed a complete overhaul of my existing HVAC including an upgrade of part of our system. The entire experience from initial sales visit to completion was great. Throughout the installation, the team was friendly, always available to answer a question, clean and respectful of my 3 young children (making sure nothing was left behind or any debris that could hurt them). System is operational and very satisfied. Highly recommend them."
Residential Attic Install
Commercial Multi Unit Install
Guardian Series
Response time2 days
Response rate85%
7 neighbors recently requested a quote
Avatar for Overall Heating and Cooling, LLC
Overall Heating and Cooling, LLC
4.7(
201
)

Serving Mendham, NJ and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"After I talked to many companies about replacing my heating and cooling systems Overall Heating and Cooling were the misy resonate with pricing and professional company for the job. They were prompt to come out the next day and replace my entire heating and cooling system the same day. They were professional on every level possible and cleaned up after the job was done. I recommend this company for their services. AMAZING and I am very happy with the results"
Our work
Our work
Our work
Our work
Our work

+17

Response time1 hour
Response rate94%
39 neighbors recently requested a quote
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)

Serving Mendham, NJ and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"It was a superb experience. From the visit by Bruce the sales representative to the installation day to the follow-up from Petro, every single person we interacted with was helpful and professional. When Bruce arrived to do the assessment, we spent time going over the heating needs in the house. After a thorough inspection and measurement of the house, we sat down. He showed me a few options, all of which were going to provide good service. I ordered a unit at the end of that meeting. The installation day was just terrific- the entire work crew that showed up were everything I would hope to find: Upbeat, informative, hard-working, focused. The job was finished before end of day as promised. The heater room is now immaculate, with new piping and a new heater. It was like watching a pit crew at a NASCAR race. Everyone had their tasks, they moved carefully but quickly. The materials were all laid out in order, etc. Just a totally professional approach to their work. The crew boss answered any questions I had. The follow-up for a normal inspection of the furnace chimney was scheduled the day after the installation. I’ve gotten calls to insure we are satisfied with the work. Satisfied barely covers it- I am pleased to write this kind of review. Without hesitation I will recommend Petro to friends and family throughout the Philly area. Peter A. Elkins Park"
Additional Photos
Additional Photos
Additional Photos
Response time6 days
20 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Dawson Mechanical Contracting
Dawson Mechanical Contracting
4.8(
134
)

Serving Mendham, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"High quality work perform in a neat and efficient manner. Team arrived on time everyday, they were courteous and professional. This is now our “go to” company for all plumbing and heating matters."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time5 hrs
5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AC & Heat by Kyle
AC & Heat by Kyle
4.9(
114
)

Serving Mendham, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Emergency services offered

Warranties offered

"Kyle provided valuable information and insight on my heating system. He gave recommendations for now and future. I highly recommend him for his knowledge and service."
Canister
Steam Humidifier
Maintenance FOR ALL!!!
Maintenance FOR ALL!!!
Maintenance FOR ALL!!!

+22

Response time7 hrs
Response rate86%
1 neighbors recently requested a quote
Avatar for Advanced Professional Management, LLC
Advanced Professional Management, LLC
4.2(
937
)

Serving Mendham, NJ and surrounding areas

Approved

In business since 1999

Emergency services offered

Warranties offered

"My furnace wasn't working properly, so called Advanced for some help. Our technician Joey was really helpful and explained everything that was wrong and how he fixed it. Definitely will be giving them a call next time I need help."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+33

Response time12 hrs
Response rate96%
10 neighbors recently requested a quote
Avatar for J&M Cooling/Heating, LLC
J&M Cooling/Heating, LLC
4.5(
22
)

Serving Mendham, NJ and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I got a call back the same morning I called to set an appointment for my furnace. John actually came to my home the same day! Very satisfied with the work and the invoice explained everything in detail. Very reasonable with the price! I would highly recommend them! Rich in Roseland, NJ"
Crown Hot Water Boiler replacement 82% Efficient
A/C & Boiler Replacement
A/C & Boiler Replacement
A/C & Boiler Replacement
A/C & Boiler Replacement

+8

Response time7 hrs
Recommended by95%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Mendham, NJ

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 Mendham, NJ 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.