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Air Conditioning

A sailboat sailing at sunset.

M & M Heating and Cooling is your #1 HVAC contractor in Saltillo, MS and the surrounding communities. We are the leading company for all of your air conditioning needs. If you need repairs, maintenance, or a brand new system installed, the technicians at M & M Heating and Cooling are the qualified and professional crew for the job.

We provide the highest quality service for your air conditioner. We also aim to educate and inform our customers. Informed decisions are good decisions. We want you to feel confident we are qualified to perform the service for which you are hiring us.

How Much Money Can A New Air Conditioner Save You?

Our SEER energy savings calculator can help determine how much you could save on your utility bills. Simply enter your current unit's SEER value and compare it to a newer, more efficient system. You can even customize it to better match your home's system for a more accurate calculation.

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Air Conditioning Basics

The four main components to your air conditioner are:

Condenser: The condenser is the outside metal unit and where the gas from the compressor is condensed into a liquid. The gas entering the condenser is very hot. The temperature is then lowered, so the gas can convert back to a liquid.

Compressor: The compressor is inside the condenser. It circulates the pressurized refrigerant, to concentrate the heat, and changes the low pressure gas to high pressure.

Evaporator: The evaporator is the part of the system inside the home. In simple language, it absorbs the heat from your home.

Expansion Valve: The expansion valve controls the amount of refrigerant in your system.

All of these pieces are connected by a copper tube that handles refrigerant, creating a closed loop. Heat is collected in the evaporator, sent outside to the condenser. The heat is removed, and the cool air is recirculated back into your home.

AC Facts

An Air Conditioner Doesn’t Create Cool Air.
What happens in the AC process is actually the removal of heat from the air. Your AC uses a chemical called refrigerant to remove heat and transfer it outside. The warm air runs through the lines and coils in your unit and goes from liquid to gas and back again. During this process, the refrigerant removes the heat and transfers it elsewhere so that when the air comes out the other side, it is cool.

Your AC Will Remove Humidity.
Lower humidity helps the overall comfort level in your home by making you feel cooler, even if the temperature is the same.

Your Air Filter Needs To Be Checked And Replaced Every Three To Six Months.
(depending on the manufacturer’s recommendations)
A dirty air filter restricts your air flow, which reduces efficiency, costing you money, and over time can put stress on your unit and could cause a costly repair.

Maintenance, Maintenance, Maintenance.
Your air conditioner needs regular checkups to keep it running in tip-top shape. Having regular annual preventative maintenance will bring your system longer life and fewer breakdowns over all.

SEER
The Seasonal Energy Efficiency Ratio (SEER) measures air conditioning and heat pump cooling efficiency, which is calculated by the cooling output for a typical cooling season divided by the total electric energy input during the same time frame. A higher SEER rating means greater energy efficiency.

At M & M Heating and Cooling, we provide all the services you need to keep your AC running in top-notch shape. Call us at 662-844-0270 for repairs, maintenance, or new-system installation.

Need Air Conditioner Service?

Contact the experts at M & M Heating and Cooling.

Call us at 662-844-0270!

Air Conditioner Repair in Tupelo, MS 38804

“Jack is always polite & courteous.” – Daron P.

Air Conditioner Repair in Tupelo, MS 38801

“Was referred to M&M by Cindy Kirk.
Came within four hours of call – love the picture system of technician to look for – great personality and very knowledgeable – answered all my questions and gave great advice as to how best to use system.”

– Lynne W.

Air Conditioner Maintenance in Tupelo, MS 38801

“Fast and very nice. Will definitely use again – thanks so much for the quick response”

– Lisa M.

Air Conditioner Repair in Tupelo, MS 38804

“Great experience. He was
Very knowledgeable and quick to assess and fix the problem.”

– Kirk L.

Air Conditioner Maintenance in Tupelo, MS 38801

“Polite and knowledgeable. Answered all questions and concerns honestly. Provided most economic options.”

– Renee B.

Air Conditioner Repair in Tupelo, MS 38801

“My AC unit compressor went out Wed morning & the temp in the house went to 91 degrees! Jack King with M&M replaced the part & had my house cool & comfortable at noon on Thursday. Jack has come to my rescue on more than one occassion & he is so nice, considerate & very knowledgeable in his field. Jack was definitely my hero today!”

– Joyce T.

Air Conditioner Installation in Fulton, MS 38843

“It’s so nice to have cool clean air to breathe in my home. Thank you to all the people who worked remove the old and install the new unit. I know it wasn’t easy with the old unit being 30 years old but I appreciated your work.”

– Anna J.

Air Conditioner Repair in Tupelo, MS 38801

“The service was wonderful!I”

– Wanda B.

Air Conditioner Repair in Saltillo, MS 38866

“Greg got out to us really quickly and had us back up and running within 30 min! Always a pleasure to do business with Greg, as he’s been here before and is always professional and a great tech. Thank you!”

– Robert W.

Air Conditioner Repair in Saltillo, MS 38866

“Trey does a good job!”

– Chris V.


M&M Heating and Cooling services Baldwyn, Fulton, Guntown, Mantachie, Mooreville, Nettleton, Saltillo, Shannon, Tupelo, Verona and the surrounding Mississippi communities with their heating and cooling needs. Visit our service area page for more coverage details, call us at 662-844-0270, or request service online today.