Best HVAC Companies in Oxford, MI (2026)

Oakland Heating & Cooling is an Oxford company that works on homes and businesses in Oakland County. Its website lists furnace repair, replacement and tune-ups, plus the same range of AC services. Air quality work, humidifiers and water heaters are also on the list. Maintenance plans are offered for both furnaces and air conditioners. The site says the business is family owned, licensed and insured. Reviewers mention quick response times, clear communication and a technician who texted before arriving. One reviewer says the crew pinpointed the problem and fixed it without replacing the unit. If you want a number before booking, the website has an instant price quote tool and financing details.

NES Plumbing Heating and Cooling is in Oxford and handles both plumbing and HVAC work. On the heating and cooling side, its website lists furnace maintenance and replacement, AC maintenance and A/C replacement. Commercial service is also listed. The site says every team member is licensed, insured and trained. One reviewer describes the company replacing an old boiler and water heater with a combi-boiler and praises the installation. Others mention technicians who were patient, answered questions and explained the work as they went. One reviewer points out that NES sends a photo and the name of the technician before the visit. You can book online through the website.

Based in Oxford, D&B Mechanical repairs furnaces, air conditioners, heat pumps and boilers, and it also does plumbing and water heater work. The website says it serves Lapeer, Genesee and Oakland counties and offers extended service hours. Pricing is flat-rate, and the site says you know the cost before you pay. It also states that all work is guaranteed and done by a qualified technician. Reviewers mention fast response, with crews arriving within hours or the same day they called. Others describe technicians as on time, friendly and knowledgeable. One reviewer used the company for several projects on a neglected house over ten months.

Chambers Heating & Cooling is an Oxford heating and cooling company. Its website does not list services in detail, so most of what is known comes from customer reviews. Reviewers describe furnace and air conditioning repairs handled quickly, including visits fit in on short notice when equipment went out. One customer switched from a geothermal system to natural gas and says the company helped buy the new equipment and got it running right away. Another says an AC problem was fixed during a visit for a separate job. Reviewers also describe thorough work and a company that is easy to work with. Call ahead to confirm which services fit your project.

Express Plumbing Heating & Mechanical is in Oxford. The company does not have a website listed, so its reviews are the main source of detail. Most reviews describe plumbing work, such as running piping for a basement bar sink and handling a plumbing emergency. In that emergency, one reviewer says the phone was answered at 7 a.m. and a plumber arrived at 9:30 the same day. Another customer who collected five quotes says this company's price was competitive and the final bill came in slightly under the quote. The crew arrived the next morning and finished the install in a few hours. Since reviews center on plumbing, ask about heating work when you call.