Commercial Refrigeration Business: EPA 608, Costs and Vending Work

A commercial refrigeration business installs and repairs the cold equipment other businesses cannot run without: walk-in coolers, reach-ins, ice machines, display cases, rooftop HVAC units, and the vending machines and glass-front coolers our readers own. It is licensed trade work (every tech who opens a refrigerant circuit needs EPA Section 608 certification), it pays well, and it is one of the few boring businesses on our list with a direct, real link to vending: route operators need refrigeration techs, and techs can add vending repair as a revenue line.

Part of our complete guide: best cash flow businesses.

This teardown covers the customers, licensing, the refrigerant rule changes driving work right now, the money, buying versus starting, risks, and exactly where vending fits.

Who the customers are

• Restaurants and bars. Walk-ins, reach-ins, ice machines and bar coolers. A dead walk-in on a Friday is an emergency call at emergency rates.
• Convenience stores and grocers. Display cases and walk-in coolers, often under maintenance contracts.
• Schools, hospitals, offices and plants. Rooftop units, kitchens and break room equipment.
• Vending and micro market operators. Refrigerated vending machines, glass-front coolers and smart coolers. Small operators often have no one to call when a compressor dies.

Commercial work differs from residential HVAC in one way that matters for a business owner: the customer loses money every hour the equipment is down. That makes them less price sensitive and more loyal to the tech who shows up.

Licensing and EPA 608

Under the Clean Air Act, anyone who maintains, services, repairs or disposes of refrigerant-containing equipment must hold Section 608 certification. There are four types: Type I for small appliances, Type II for high-pressure equipment, Type III for low-pressure equipment, and Universal for all of them. Factory-sealed vending machines with small refrigerant charges generally fall under small appliances, but commercial walk-ins and rooftop units need Type II, so most commercial shops want Universal-certified techs. Testing is offered through approved certifying organizations, some online and proctored, like Mainstream Engineering's EPA test program.

On top of 608, most states license mechanical or HVAC contractors, often with years-of-experience requirements and an exam for the license holder. Some cities add their own. Check the state board before you print a business card.

The refrigerant rule changes creating work

The AIM Act is phasing down high-global-warming-potential HFC refrigerants, and that pushes equipment replacement and retraining through the whole industry.

• Restrictions on higher-GWP HFCs in new refrigeration, air conditioning and heat pump equipment began as early as January 1, 2025, with compliance dates running to January 1, 2028 depending on the equipment type.
• Since January 1, 2026, refrigerant sold as reclaimed can contain no more than 15% virgin HFC by weight, and new leak management and reclamation rules apply to servicers.
• EPA finalized changes to parts of the technology transitions program in May 2026, so dates for some equipment classes have shifted. Read the current rule for your equipment before quoting a customer.

For a business owner, this means customers need someone who understands which refrigerant goes in what, what can still be serviced, and when replacing beats repairing. That knowledge is billable.

What you need on the truck

A commercial refrigeration van carries more than a residential HVAC truck: a refrigerant recovery machine and recovery cylinders, gauges or digital manifolds, a vacuum pump and micron gauge, brazing equipment, leak detectors, a stock of common compressors, fan motors, contactors and thermostats, and the refrigerants your customers' equipment actually uses. Every recovered pound has to be handled and recorded under EPA rules, so a simple logging habit from day one saves trouble later. Parts stock is a cash decision: carrying the right fan motor turns a two-visit job into one, which is the difference between a loyal restaurant and one that calls someone else next time.

The money

The labor market tells you demand is real. The BLS counts 440,900 HVAC and refrigeration mechanics in 2025, projected to reach 489,100 by 2035 (11% growth), with a median wage of $61,010.

The margin figures above come from residential-heavy data. Commercial refrigeration shops tend to earn more from service and maintenance agreements and less from new equipment sales, which is the higher-margin side of the business, but we have not found a clean public benchmark for refrigeration-only shops. Treat the table as a starting point for your own diligence.

Where vending fits, and it is a real fit

Vending repair as a revenue line

Refrigerated vending machines and glass-front coolers are refrigeration equipment. When one fails, the operator usually needs a compressor, a fan motor, a thermostat or a sealed-system repair, which is exactly what a refrigeration tech already does. Our guides on vending compressor replacement costs and vending repair costs show what operators face.

The pay gap is the opportunity. O*NET lists a median of $22.81 an hour in 2025 for coin, vending and amusement machine repairers, against the $61,010 annual median for HVAC and refrigeration mechanics. Many vending repair people are not refrigeration specialists, so a sealed-system problem can wait days. A refrigeration shop that offers a vending service agreement to local route operators fills a gap many operators feel. Our post on how operators find a vending technician is, in effect, a list of what your new customers are looking for.

Techs who service vending also end up handling payment hardware. Most modern machines take cards through readers like Nayax, and an operator will happily pay a tech who can swap a reader and test it while the machine is open.

Route operators as partners

The partnership also runs the other way. A vending operator with 40 machines is a steady account: preventive maintenance a couple of times a year, emergency calls in summer, and installs when the operator buys new equipment. For finding those operators, along with the convenience stores and restaurants that make up the core of refrigeration work, the VendBuddy Lead Finder pulls businesses by type in your ZIP codes and shows who runs them where a public record exists.

Shops and supply houses as vending locations

A refrigeration or HVAC shop with a dozen techs who start at 7 a.m. is a small but real vending location, much like the auto repair shops many operators already serve. HVAC supply houses, where contractors line up at the counter every morning, can be better ones. If you own the shop, a machine in your own break area is the easiest placement you will ever get.

Buy one or start one

Starting usually means a certified tech going out on their own: a van, tools, recovery equipment, a refrigerant inventory, insurance and a contractor license. The first customers are often the restaurants and stores the tech already served for a former employer, so read any non-compete you signed.

Buying gets you techs, which is the scarce resource. Ask for revenue split by maintenance agreements, service calls and installs, the count of active agreements and their renewal rate, tech tenure and certifications, and how many customers make up half the revenue. BizBuySell's middle range of 1.99 to 3.33 times owner earnings is a reference, not a price.

An illustrative example: a Universal-certified tech we will call Marcus (illustrative) buys a three-tech commercial shop from a retiring owner with an SBA loan, then offers flat-rate quarterly maintenance to the six vending operators in his county. Two sign. That is maybe 150 machines he now sees on a schedule, and every compressor failure in them is his call.

Risks

• Hiring. Skilled techs are the constraint. A shop that cannot hire cannot grow.
• Seasonality and burnout. Summer emergency volume is brutal; winter can be slow without maintenance contracts.
• Refrigerant costs and rules. Prices move as HFC supply shrinks, and the rules keep changing.
• Warranty and liability. A failed walk-in full of a restaurant's inventory can turn into a claim.

Refrigeration is invisible until it fails, and then it is the only thing that matters. That is the kind of boring that pays: work customers cannot postpone, done by people who are hard to replace.

Frequently Asked Questions

Do you need EPA 608 certification to repair vending machines?

Anyone who opens a refrigerant circuit on refrigeration equipment, including refrigerated vending machines, needs EPA Section 608 certification. Factory-sealed vending machines with small charges generally fall under Type I (small appliances), while commercial walk-ins and rooftop units need Type II. Many shops simply require Universal certification so techs can work on everything. Repairs that do not touch the sealed system, like swapping a card reader, do not require it.

How much does it cost to start a commercial refrigeration business?

A certified tech going out alone needs a service van, tools, refrigerant recovery equipment, a starting refrigerant inventory, insurance and, in most states, a mechanical or HVAC contractor license. Costs vary widely by market and by whether the van and tools are new or used. Buying an existing shop costs more but comes with techs and maintenance contracts; HVAC businesses on BizBuySell sold for a median of about 2.58 times owner earnings.

Worth reading before you sign anything: the contract walkthrough covers which terms get pushed back on and which ones you can safely give away. Commission is rarely the clause that hurts you later.

Is a commercial refrigeration business profitable?

It can be, mainly through service work and maintenance agreements. Profitability Partners' review of HVAC P&Ls found typical net margins of 5% to 12%, with service and repair gross margins targeted at 55% to 65%. Those figures are residential-heavy, and refrigeration-only shops lean more on service, but no clean public benchmark exists for them. Tech hiring and pricing discipline usually decide the outcome.

Can an HVAC company add vending machine repair as a service?

Yes, and it is a natural fit because refrigerated vending machines and glass-front coolers fail in the same ways as other small refrigeration equipment: compressors, fans, thermostats and sealed-system leaks. Offering local route operators a flat-rate maintenance agreement can bring in steady work. Techs who also swap and test card readers become even more useful to operators.

How do the AIM Act refrigerant rules affect refrigeration contractors?

The AIM Act phasedown restricts higher-GWP HFCs in new equipment, with compliance dates from January 1, 2025 through January 1, 2028 depending on equipment type, and EPA finalized some changes in May 2026. Since January 1, 2026, reclaimed refrigerant can contain no more than 15% virgin HFC. Contractors need to know which refrigerants new and existing equipment uses and when replacement makes more sense than repair.

General information, not legal, tax or financial advice. Rules change, so check the official source. Revenue and income figures are examples, not promises. See our terms.