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

Avatar for Standard Heating & Air Conditioning Inc
Standard Heating & Air Conditioning Inc
4.8(
3,083
)

Serving Cottage Grove, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1930

Free estimates

Emergency services offered

"We had two furnaces replaced by Standard a year ago and this was the tune up as part of the Smart Club. We have worked with a number of heating/cooling companies and Standard has been by far the best. Cody was our technician today and he was awesome! Friendly, knowledgeable, efficient, and took time to educate me about my systems and things to look out for."
Post Job Replacement
Before Installation
New A/C
New Furnace
Before Installation

+1

Response time1 day
10 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Comfort by Design
Comfort by Design
4.6(
77
)

Serving Cottage Grove, MN and surrounding areas

Approved (Corporate)

In business since 1991

Free estimates

Emergency services offered

"I had an EXCELLENT experience with Comfort By Design (Hudson location) starting with Aaron who came out to give me a quote on replacing my Furnace/AC to the guys that installed it all. Aaron thoroughly explained all of my options and provided me an estimate right then and there.  He communicated with me very promptly on any questions I had when I was deciding what to get. Everything he said (quietness, quality, what was included in the price, etc) was exactly what he promised. The guys who installed it both knew what they were doing, were very professional and cleaned up everything as if they were never there. They also were there exactly when they said they would be.
Comfort by Design is very reasonable and left me feeling good knowing what I spent my money on!   My only regret is wasting time getting 3 other quotes.  STRONGLY RECOMMEND!!!
"
Solar Panel Installation
Geothermal Efficiency
Replace Wood Burning Fireplaces with a Gas
Solar Panel Installation
Don’t let winter catch you unprepared. Ensure your furnace is ready with expert maintenance and repairs.

+11

27 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for HVAC Doctor LLC
HVAC Doctor LLC
4.8(
26
)

Serving Cottage Grove, MN and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Great service, fast response time, tech (Vitaliy) was outstanding, going above and beyond the basic repairs needed for a faulty bearing on a newer motor. Gave me a few lessons about heating and a/c I was not to familiar with, even though i am an electrician, although in the power production end. Really, really great response with me and my wife, and very "on it" with all phases of the industry. Will definitely use Hvac Doctor again!!!"
Additional Photos
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+137

Response time2 days
55 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Hoffman Cooling and Heating
Hoffman Cooling and Heating
4.7(
2,069
)

Serving Cottage Grove, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1957

Free estimates

Emergency services offered

"Hoffman Cooling & Heating replaced my 2 gas furnaces which were each almost 30 yrs old. I first met with Andy to get an estimate. He was honest about what I actually needed. I was told that Hoffman Cooling & Heating strives to provide "good quality products at good prices" and I really felt like they honored that. When the team (Dan & his apprentice, Bobby, and Mike) came out to do the work they were on time, efficient, completed their work, and left the area clean. I asked a lot of questions and they were all willing to share information with me to help me understand the system and the work being done. I really got the impression that the owner, Scot, values his team, takes pride in the work his team does, and cares about those he provides service to. I would recommend HC&H to others."
 Twins!!
 Another set of twins!!
 Oil to gas conversion, took out a monster!!
Jim's new car
New install van!!

+5

906 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Total Comfort Heating and Cooling
Total Comfort Heating and Cooling
4.5(
443
)

Serving Cottage Grove, MN and surrounding areas

Approved (Corporate)

In business since 1956

Free estimates

Emergency services offered

Experience the Total Comfort Difference, since 1956. We sell different. We service different.\n\nAs a certified Carrier dealer and a recipient of the 2024 President’s Award, you can "Turn to the experts" with Total Comfort proudly bringing Minneapolis-St. Paul expert heating and cooling solutions. From AC repair to furnace replacement, maintenance, and more, our skilled, award-winning team delivers quality, affordable HVAC services across the Twin Cities—from Brooklyn Park to Eden Prairie and everywhere in between!\n\nSince 1956, Total Comfort has been doing whatever it takes to ensure each customer is 100% satisfied with their heating and cooling service. As a locally owned, customer-focused company, our #1 goal is providing honest, quality work to our Minneapolis-St. Paul neighbors. Every job is performed with respect and courtesy, leaving you satisfied in a more comfortable home.\n

156 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Aquarius Home Services
Aquarius Home Services
4.6(
259
)

Serving Cottage Grove, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Free estimates

Emergency services offered

"Installed a new furnace for us during the winter when we needed it the most. They were able to install it 2 days after we asked for them to service our old existing furnace in which they showed us why it needed to be replaced. Quick and clean instillation with two knowledgeable and friendly employees."
Additional Photos
Additional Photos
Additional Photos
Our Team
Response time10 hrs
9 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Finch Electrical Heating & Air
Finch Electrical Heating & Air
4.6(
48
)

Serving Cottage Grove, MN and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

No project is too big or too small for Finch Electrical Heating & Air—your trusted residential electrical and HVAC experts. Our experienced team handles everything from minor repairs to full home upgrades with reliable, high-quality service.\n\nFrom flickering lights, tripping breakers, panel upgrades, and EV charger installations to AC and furnace repairs, maintenance, and full system replacements—we keep your home safe and comfortable year-round.\n\nWe focus on safety, efficiency, and long-term performance, delivering code-compliant, energy-efficient solutions designed to improve comfort and reduce operating costs.\n\nAt Finch Electrical Heating & Air, we treat every home like our own—providing expert workmanship with a friendly, professional approach you can count on.

Exterior Lighting Update
Service mast
Service Mast
FPE Before
Flush mounted Square D QO

+1

Response time1 day
Response rate92%
48 neighbors recently requested a quote
Avatar for Randy's Electric & Plumbing
Randy's Electric & Plumbing
4.5(
390
)

Serving Cottage Grove, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Emergency services offered

Warranties offered

"Job: We had Randy's Electric install 6 canned lights on dimmer switches and fix some on-going electrical problems that we've had. Pretty simple, one-day job. Pros: Overall we thought the quality of work was very good. The canned light installation looks great and they fixed the other annoying electrical issues without a hitch. They completed the scope of work quickly and were very accommodating to getting us on booked on their schedule. They didn't leave a mess in the house at all and it appears as though they didn't need to access the attic to run the electrical lines for the cans. We were concerned over accessing the attic because we recently had an insulation job done and we didn't want that to be messed up if possible. A pretty simple job but they got it done with good workmanship and the priced seemed fair for electrical work. Cons: There were two main issues that we had with this project, one of which may be the result of us not being up-to-date with current canned lighting technology. The canned lights look great but according to feedback I got from Randy's Electric, the bulbs are built-in LED's with the trim fixture. So, no unscrewing a canned bulb, you have to pull the entire trim fixture out with the bulb inside to replace them. We were never consulted on this at all or other canned lighting options during the quote. Apparently, it was you get these canned lights and that's it. So, every time I need to change the fixture/bulb combo I have to called Randy's Electric for support? That doesn't seem cost effective for us. Apparently, the bulb/trim fixtures are guaranteed for 5 years but what happens after that? I guess I'm on my own to figure out how to swap these bulb/fixtures in the event that they go out. The other issue was that because we had that insulation job done in the attic, we were concerned over heat loss from punching the holes in the ceiling for the cans, which is a necessary thing but can result in significant heat loss. We were never advised from Randy's about how, or even if they do, seal the canned lights for heat loss. I hope they did, and based on the workmanship, they're probably sealed them, but we thought it would be good to know for sure. So, that's the reason for the 3.5 stars for customer service. Overall, we thought they did a good job and I'd hire them again but they need to be a little bit better during the quote process about detailed items as discussed above."
Team Work Makes the Dream Work
We Listen
Kitchen Lighting
Out with the OLD in with the NEW!
Full Trucks

+5

Response time7 hrs
1033 neighbors recently requested a quote
Recommended by87%of homeowners
Sustainable Heating and Cooling, Inc.
3.7(
15
)

Serving Cottage Grove, MN and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"The price for boiler and install was better than other vendors. Chris was willing to answer questions via email. They were able to install the same week. Chris came over the next week to look at an issue we had that ended up being operator error on our part on existing parts of our in floor heating system. Great response, great service. Highly recommend."
Response time6 hrs
5 neighbors recently requested a quote
Recommended by83%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Cottage Grove, MN

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 Cottage Grove, MN 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.