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Top-Rated Furnace / forced air heating system install or replace pros in Gardena - Updated Nov 2026

Avatar for Trinity Heating and AC
Trinity Heating and AC
5.0(
46
)
Gas Furnace / Forced Air Heating System - RepairThermostat - Install or ReplaceThermostat - Repair or Reprogram+2 more

Serving Gardena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Great experience! I hired Trinity to come out and Tune up and clean my Grandmotherâ s furnace. They were a pleasure to work withâ ¦ very courteous and professional! Extremely clean and friendly! I ended up hiring them to install my Central heating and AC at my home! I couldnâ t be happier!"
Furnace Before
AC After
Furnace After
AC Before
Before - Furnace

+83

Response time3 hrs
Response rate98%
28 neighbors recently requested a quote
Avatar for All Around Heating and Air
All Around Heating and Air
4.4(
47
)
Electric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service

Serving Gardena, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"This company and Pete specifically is outstanding. I was able to get a same day appointment and my elderly mother s furnace was fixed at a very reasonable price. We were told by the Gas Co and another contractor that it needed to be replaced. Turns out it was getting no electricity so Pete reset electrical breaker then did some minor repairs and got it going. Others told us to hire an electrician and walked away. Would definitely recommend this firm. In my opinion Pete went the extra mile to get the job done. Thank you!!"
A/C MAINTEANCE
 DUCT CHANGEOUT,FURNACE MAINTENANCE
condenser
furnace
install

+9

Response time7 hrs
Response rate100%
Recommended by97%of homeowners
Avatar for SoCal Climate Control - LA
SoCal Climate Control - LA
4.2(
414
)
Gas Furnace / Forced Air Heating System - InstallDucts & Vents - Install or ReplaceGas Furnace / Forced Air Heating System - Repair+10 more

Serving Gardena, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"This HVAC company is honest and professional, definitely the one to hire. I had another company replace my A/C units last summer and level the furnace, but the system broke down after 6 months. There were several parts of the system that they failed to repair or even inform me about. Reese spent the time to give me a fair and accurate estimate, and even encouraged me to get other estimates before hiring them! Lance the installer came out to replace my old furnace and repair a few parts of the A/C system that had been slapped together, but he went above and beyond to expand my attic access, improve the drainage and bring the whole system up to code. The A/C and heating work great now, and my family and I feel safer knowing that Lance put in the extra time to carefully check everything."
SoCal Staff
506 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for CoolPros Heating and Air
CoolPros Heating and Air
5.0(
13
)
Ducts & Vents - Install or ReplaceElectric Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Repair+4 more

Serving Gardena, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I always had airflow issues in my house, I always thought it was normal, until I decided to reach out for help. Mario with CoolPros Heating and Air came out and gave me a free evaluation. He found most of my ducts had holes, and had major air leaks. I decided to replace with him for a great price he gave me. The quality of service and customer experience was beyond my expectations. Thank you. . Coolpros heating and air! I already referred my sister and she’s having her system installed next week!"
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C
COMPLETE HEATING AND A/C

+8

Response time1 hour
Response rate86%
Recommended by90%of homeowners
Avatar for Elephant Energy
Elephant Energy
5.0(
5
)
Heat Pump - Install or ReplaceDuctless Mini-split Heating System - Install or ReplaceElectric Furnace / Forced Air Heating System - Install

Serving Gardena, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

Elephant Energy helps homeowners upgrade to modern high-efficiency heating and cooling systems designed for comfort, savings, and sustainability. Specializing in heat pump technology, Elephant Energy provides expertly designed solutions that deliver reliable year-round performance and comfort. \n\nFrom your first estimate through final installation, our team manages the entire process to make your project simple and stress-free. We handle system design, equipment selection, permits, and available rebates, so you can enjoy a smooth, transparent experience without the usual headaches of home upgrades.\n\nHomeowners choose Elephant Energy for clear communication, quality workmanship, and energy-smart solutions built for long-term performance. Whether you're replacing an outdated HVAC system or improving your home's efficiency, we're committed to delivering comfort you can feel and savings you can see.

Mini Split Project
Mini Split Project
Outdoor Condenser
Water Heater
10 neighbors recently requested a quote
...
Showing 1-10 of 450

FAQs for furnace / forced air heating system install or replace projects in Gardena, CA

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 Gardena, CA 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.