Your family's comfort is our family's business.
Heating and cooling repair, installation and maintenance from neighbors who pick up the phone, show up when they say they will, and charge honest, fair prices — day or night.
Treated like family — because that's how we were raised.
When your home is too hot or too cold, you want someone you can trust in your house. That's the whole point of N & M.
Family owned & operated
A local family business from Hereford. You'll talk to the owners, not a call center.
Day & night service
Day & night emergency help when the AC quits in July or the heat goes out in January.
Honest, fair prices
Fair, reasonable pricing from a local family — not a national chain's price sheet.
Licensed, bonded & insured
Arizona ROC #337861 — a properly licensed crew in your home, tidy installs, and a team that shows up when scheduled.
Hot or cold, every season and every system.
Repair, installation, replacement and maintenance for homes, businesses and new construction across Cochise County.
The brands we install and service.
We work on equipment from the manufacturers below — and we service most other makes too. Which system suits your home depends on the house, your comfort needs and your budget, so we will walk you through the options rather than push one label.
Ductless 
Ductless 
Not sure what you have? Send us a photo of the label and we will tell you what you are working with. Get in touch.
Neighbors first. HVAC pros always.
Monce has worked in heating and cooling for more than 20 years. In 2022 we started N & M Heating and Cooling as a family, so we could take care of Cochise County the way we'd want our own home cared for.
Monce is still the one on estimates and installations. When you call N & M, you're calling family.
We do everything with family values in mind.
What our neighbors say
N & M Heating and Cooling ABSOLUTELY fulfill their commitments. They are professional, communicate well, show up when scheduled…
Really nice, super professional, reasonable pricing… I will be using and recommending them exclusively.
Very pleased and recommend highly… will use him for HVAC needs in future.
…1 hour later our a/c was fixed! They are the BEST!
Ready for July. Ready for January.
Preventive maintenance catches small problems before they turn into breakdowns and helps your system run efficiently. Option 1 starting at $200/year per system · Option 2 $250/year per system — the only prices we publish.
See the maintenance planComfort now, payments that fit.
Financing available — contact us to learn more or apply.
Check financing optionsProudly serving all of Cochise County.
Based in Hereford and on the road every day to homes and businesses across southeastern Arizona.
Also serving Bisbee, Tombstone, Benson, Whetstone, Palominas, Elfrida, McNeal, Willcox, Huachuca City and the surrounding Cochise County communities.
Too hot? Too cold? We'll pick up — day or night.
Call the N & M family for day & night emergency service, a repair, or a fair estimate on a new system.