25 HVAC Business Ideas You Can Start Today [2024]

Updated: July 23rd, 2023

Interested in starting a hvac business in 2024?

We put together 25 of the best hvac businesses you can start in today.

For each business idea, we’ll show you real-world examples of other hvac businesses to help you see what it really takes.

Here's the full list:

1. Start a chimney repair business

Brick and stone chimneys require maintenance and upgrade to keep them structurally sound and functional. Some regular chimney repair tasks will include repairing and replacing rain pots, rebuilding chimney crowns, and installing new bases and flashing counters.

Thus, starting your own chimney repair business can be a very profitable, so long as you have basic masonry skills and experience. To start, you can offer the services to your neighbors just to showcase what your business offers. If you are not an experienced mason, you can hire skilled professionals and outsource the orders to them.

How much you can make: $21,000/month

How I Started A $21K/Month Chimney Service Company While Working Full-Time

Patriot Chimney, a Virginia-based chimney repair company founded by three friends, generated over $212,000 in its first year of operation, using a mix of digital and in-person marketing and customer retention strategies, and plans to expand its business and customer base with new initiatives including an online store and non-profit organization.

About
Mitchell started Patriot Chimney over 5 years ago
Revenue
Mitchell grew the business to $21K/month
Read by 14,645 founders

2. Start an ac repair business

Research shows the HVAC market will grow at a CAGR of 6.1% and reach $82.5 billion in the next few years.

The growing construction business in major emerging economies and the ever-increasing end-user markets, such as data center markets, are some of the major factors driving the growth of the HVAC services market.

Like other electrical appliances, HVAC units break often and require regular maintenance. As a result, the demand for HVAC repair is high.

Therefore, starting an AC repair business can be profitable. To start, you need a skilled AC repair technical team. Target commercial and residential customers, and market your business online as most people search for AC repair services through the web.

How much you can make: $200,000 — $1,878,618/month

How We Started A $1M/Month Business Selling HVAC And Energy Auditing Tools

TruTech Tools, LTD is one of the largest online stores in the niche market of tools and test instruments for HVAC/R Technicians, with $16 million in sales in 2020 and 20% YoY growth thanks to a focus on providing an exceptional customer experience and staying true to their core values.

About
Bill started TruTech Tools, LTD almost 17 years ago
Revenue
Bill grew the business to $1.88M/month
Costs
It cost Bill $19685 to start the business
Read by 8,622 founders

3. Become a spacecraft thermal control officer

4. Become an automobile HVAC expert

5. Become a HVAC mechanical administrator

6. Become a plane, ships, trains HVAC expert

How much you can make: $8,333,333/month

Reddit: Alexis Ohanian & Steve Huffman: How I Built This

From humble beginnings of $12k and a mascot, Reddit's success story boasts over 300 million monthly users and a valuation of $1.8 billion, despite growing pains, personal issues and persistent trolls.

Revenue
They grew the business to $8.33M/month
Read by 643 founders

7. Become a refrigeration specialist

8. Become a HVAC technician

9. Become a high pressure equipment specialist

10. Become a solar heating technician

11. Start an automatic temperature control units installation business

12. Become a mechanical systems temperature control officer

13. Become a hydronic heating technician

14. Start a HVAC rental business

15. Start a plumbing business

With hands-on knowledge in plumbing, you can start a business that focuses on diagnosing and repairing plumbing issues, installing fixtures, and maintaining plumbing systems.

As a plumber, your day-to-day activities will involve responding to service calls, troubleshooting plumbing problems, conducting installations or repairs, and providing guidance to clients on plumbing-related matters.

How much you can make: $40,000/month

How much does it cost to start: $7,000 (?)

How long does it take to build: 365 days (?)

I Run A Family Plumbing Business That Makes $40K/Month

A second-generation family-owned plumbing and leak detection business shares their success in obtaining repeat business through word of mouth referrals, staying true to their core principles, and using cutting-edge technology to provide top-notch service to clients.

About
Andrew started Innovation Plumbing about 33 years ago
Revenue
Andrew grew the business to $40K/month
Costs
It cost Andrew $7000 to start the business
Read by 3,234 founders

16. Start a bicycle mechanic business

How much you can make: $375,000/month

How 5 Founders Left Their Jobs To Start A $4.5M Heating & Cooling Business

Total Home Supply, a heating and cooling products retailer, has achieved double-digit growth, averaging 20% per year with its biggest year almost doubling, thanks to focusing on offering superior customer service both before and after sales.

About
Mike started Total Home Supply over 14 years ago
Revenue
Mike grew the business to $375K/month
Read by 6,699 founders

18. Start an air conditioner installation business

Air conditioner installers sell, install, inspect and repair AC systems to ensure the system functions at optimal levels throughout.

According to statistics, demand for HVAC services will increase by 15% in the next few years. The continuing growth of commercial and residential construction are some factors responsible for the increased demand for HVAC services.

Therefore, air conditioner installation sales and installation can be a great business idea. To start an air conditioning installation business, register, license, and insure your business.

How much you can make: $200,000/month

How much does it cost to start: $1,000 (?)

Launching a Furnace Filter Store and Growing to $60k/month

PureFilters is an online supplier of furnace filters in Canada with a focus on customer experience, boasting a wide selection of the best brands and a roster of 300 five-star reviews, all achieved through rigorous process building, investments in automation and use of outsourced help to manage this $60k/mo business with less than 10-12 hours spent per week.

About
Jay started PureFilters almost 9 years ago
Revenue
Jay grew the business to $200K/month
Costs
It cost Jay $1000 to start the business
Read by 8,529 founders

19. Start a repair training programs business

20. Become a solar thermal technician

21. Start an attic ventilation and insulation business

22. Start a fireplace installation business

The majority of homeowners install new gas fireplaces in autumn before winter arrives. With a fireplace installed, you simply hit a button or flip a switch on the wall to enjoy instant ambiance and warmth.

Starting a fireplace sales and installation business can be lucrative.

23. Become a testing and balancing contractor

24. Start a HVAC test tools business

How much you can make: $375,000 — $1,878,618/month

How We Started A $1M/Month Business Selling HVAC And Energy Auditing Tools

TruTech Tools, LTD is one of the largest online stores in the niche market of tools and test instruments for HVAC/R Technicians, with $16 million in sales in 2020 and 20% YoY growth thanks to a focus on providing an exceptional customer experience and staying true to their core values.

About
Bill started TruTech Tools, LTD almost 17 years ago
Revenue
Bill grew the business to $1.88M/month
Costs
It cost Bill $19685 to start the business
Read by 8,622 founders

25. Start a HVAC commissioning service business

HVAC commissioning is a growing field that involves testing and tuning HVAC systems to ensure they meet design standards and operate efficiently.

To start an HVAC commissioning service, you would need expertise in HVAC systems and building standards and certifications from organizations like AABC or NEBB.

The business would provide services like initial HVAC system start-up and inspection, seasonal testing and adjustments, and troubleshooting underperforming systems.

With the prevalence of smart buildings and the focus on energy efficiency, an HVAC commissioning service could help building owners optimize their systems while providing stable year-round business.

How much you can make: $375,000/month

How 5 Founders Left Their Jobs To Start A $4.5M Heating & Cooling Business

Total Home Supply, a heating and cooling products retailer, has achieved double-digit growth, averaging 20% per year with its biggest year almost doubling, thanks to focusing on offering superior customer service both before and after sales.

About
Mike started Total Home Supply over 14 years ago
Revenue
Mike grew the business to $375K/month
Read by 6,699 founders

meet the author
Pat Walls

I'm Pat Walls and I created Starter Story - a website dedicated to helping people start businesses. We interview entrepreneurs from around the world about how they started and grew their businesses.