25 HVAC Business Ideas You Can Start Today [2024]

Updated: July 15th, 2024

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.

Read by 15,461 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 — $2,290,747/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.

Read by 9,422 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 long does it take to build: 30 days (?)

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.

Read by 3,893 founders

16. Start a bicycle mechanic business

Picture yourself as the go-to expert for fixing bikes, a service increasingly in demand. Starting a bicycle mechanic business involves offering repair and maintenance services to keep cycles in peak condition. From fixing flat tires to tuning gears, you'll provide essential support for cyclists who depend on their bikes for commuting or recreation.

This business idea is straightforward yet fulfilling. You don't need a huge investment—just some tools, a bit of space, and mechanical know-how. Beyond the foundational skills, you'll connect with a cycling community eager for reliable, local services.

If you enjoy working with your hands and problem-solving, this business can be especially rewarding. Plus, as biking becomes more popular for health and environmental reasons, your services will only grow in demand. Ready to turn your passion for bicycles into a viable business? Here’s your chance.

How much you can make: $500/month

How much does it cost to start: $4,000 (?)

How long does it take to build: 75 days (?)

I Started A Side Hustle By Creating A Bicycle Accessory For Myself

To Go Cycles sells a beer-friendly saddle bag for bike enthusiasts and has already sold their product across Canada and the US, improving brand awareness by partnering with local breweries and cycling groups, and planning to expand globally and expand their product range.

Read by 2,812 founders

Looking to tap into a high-demand industry? Consider selling HVAC-related products. Whether it's air filters, thermostats, or energy-efficient HVAC systems, this business idea involves supplying essential items in an ever-growing market.

At its core, this business is about becoming a trusted provider of heating, ventilation, and air conditioning products. Everyone needs to maintain their indoor air quality, making it a venture with consistent demand. Your role would be to source quality products, create an engaging online store, and ensure prompt delivery to your customers.

Starting this business can be both rewarding and challenging. You'll need to manage inventory, develop relationships with suppliers, and invest in marketing to reach potential customers. Yet, the steady demand for HVAC products provides a solid foundation for long-term success, making it a compelling business opportunity to consider.

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.

Read by 7,284 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.

Read by 9,220 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

Considering a niche market with substantially growing demand? Step into the HVAC test tools business. HVAC test tools are essential for technicians to diagnose, maintain, and repair heating, ventilation, and air conditioning systems.

Starting this business involves sourcing high-quality diagnostic tools and equipment, building relationships with reputable manufacturers, and setting up an online or physical retail presence. Your customers will range from large HVAC contractors to independent technicians, providing a steady and consistent market.

Begin by researching the latest tools in the industry, such as manometers, anemometers, and thermal imaging cameras. Partnering with tool manufacturers and offering thorough product knowledge will set your business apart. Additionally, providing training or webinars on using these tools can create a loyal customer base.

With formal skills in sales and technical knowledge, venturing into the HVAC test tools market presents a promising opportunity to serve a specialized and indispensable industry.

How much you can make: $375,000 — $2,290,747/month

How much does it cost to start: $9,892 (?)

How long does it take to build: 60 days (?)

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.

Read by 9,422 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.

Read by 7,284 founders

meet the author
Pat Walls