Mary and Gary Stevens
Mary and Gary Stevens

New Mexico Commercial and Residential HVAC Contractors

What is a Energy Star rating?
How can I check to make sure a contractor is licensed?

What is the difference between a 80% and a 90% efficiency furnace?
Evaporative Cooling vs. Refrigerated Air Conditioning: What's the difference?
If I decide I want a new furnace or air conditioner how long does it take to get it installed?
Do I need a permit to replace my water heater or a furnace?
As a homeowner, am I allowed to run my own ductwork?
How do you determine what size heating or cooling equipment for my house?
How long does it take to do a load analysis on my home?
How much does a load analysis cost?
Can you give me a "ball park" estimate for a new system if I tell you the square footage of my house?
Can you give me a "ball park" figure for duct cleaning?
I am considering a heat pump to save on my electric bill. How much can I expect to save?
How often should you change your filters?
Is annual preventative maintenance necessary?
Do you need a special license to do HVAC work on a manufactured home?
What brands do you service/install?
Do you work on Recreational Vehicles (RV) air conditioners/heaters?
What types of payment options do you have?
Where are you located?

What is a Energy Star rating?Energy Star Logo

Developed by John S. Hoffman, the Energy Star program was created in the early 1990s by the United States Environmental Protection Agency. The program is supposed to reduce energy consumption.

Energy Star is considered to be an international standard for energy efficient consumer products. Computer products, kitchen appliances, heating, air conditioning systems and buildings can carry an Energy Star logo that implies that they are 20-30% more efficient than a product that is not Energy Star rated.

The program was intended to be voluntary. Energy Star products are now available in a wide range of products. The Energy Star program also encourages the use of renewable power sources. 

In the heating, ventilation and air conditioning industry (HVAC) Energy Star qualified heat pumps, boilers, air conditioning systems, and furnaces are available.

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How can I check to make sure a contractor is licensed?

You can check a contractor's licensing by going to the New Mexico Regulation and Licensing link, which leads you to PSI who has contracted with New Mexico to do the testing. The following link is to check licensing: CLICK HERE The license number for MGS Refrigeration Heating and Cooling is 83390.

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What is the difference between a 80% and a 90% efficiency furnace?

Check out this link about Home Heating

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Evaporative Cooling vs. Refrigerated Air Conditioning: What's the difference?

Check out this link about Air Conditioning and SEER Ratings

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If I decide I want a new furnace or air conditioner how long does it take to get it installed?

MGS Refrigeration Heating and Cooling can usually install your new heating or air conditioning system in about a week however in our busy season (April - July) it may take up to two weeks to complete the install.

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As a homeowner, am I allowed to run my own ductwork?

No, in New Mexico you must have a New Mexico licensed contractor install ductwork legally. The contractor must first determine the size of ducting needed for your home and a qualified contractor will use Manual ā€œDā€ design methods to make this determination. Manual "D" is the ACCA (Air Conditioning Contractor's Association) method of designing the duct system that will provide the most efficient air flow throughout your home. The contractor must then pull a permit, install the ductwork and call in the required inspections.

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Do I need a permit to replace my water heater or a furnace?

Yes, a permit needs to be pulled by a New Mexico licensed contractor prior to the work being performed, and inspected.

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How do you determine what size heating or cooling equipment for my house?

A qualified and experienced HVAC contractor will do a Manual ā€œJā€ load analysis which calculates how much heat is gained or lost by your home under a specific set of conditions. The calculation uses factors like the size of each room in the home, insulation ratings in the home, sizes and types of windows and doors in the home and even what direction your home faces. The software for this type of analysis is sold by ACCA (Air Conditioning Contractors Association) and runs over $1,000 so not all HVAC companies own the software. If the contractor you are considering does not have the software, then they are simply guessing at what size system is best for your home. The wrong size equipment could result in higher heating and cooling bills, unnecessary noise and possible system failure.

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How long does it take to do a load analysis on my home?

The analysis can be completed in just a couple of hours and MGS Refrigeration Heating and Cooling will provide you with a copy of the analysis.

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How much does a load analysis cost?

MGS Refrigeration Heating and Cooling gives free estimates and there is no charge for a load analysis with your estimate.

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Can you give me a "ball park" estimate for a new system if I tell you the square footage of my house?

No, there are many more calculations for doing a load analysis and we need to take a look at your existing duct system, electrical wiring, layout of the house, and type and pitch of the roof in order to determine what type of system is the best for your home.

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Can you give me a "ball park" figure for duct cleaning?

Yes, it depends on how many trunk lines you have and how many runs and whether it is a site built home or a manufactured home. Just give us a call and we can give you an estimate.

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I am considering a heat pump to save on my electric bill. How much can I expect to save?

As much as 30-40% according to the Department of Energy. For more information about heat pumps, click on this link: Department of Energy

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How often should you change your filters?

Every 3 months unless you have indoor animals, then you should change them every month.

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Is annual preventative maintenance necessary?

Yes, for the same reason you change the oil in your car plus most manufacturers will void the warranty if annual preventative maintenance has not been done on the system. A light film of dirt on an evaporative coil can make your electrical bills 5-10% higher. For more information about our preventative maintenance contracts CLICK HERE.

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Do you need a special license to do HVAC work on a manufactured home?

Yes, in New Mexico you need a manufactured housing license is required.

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What brands do you service/install?

We service and install all brands.

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Do you work on Recreational Vehicles (RV) air conditioners/heaters?

No, you will need to consult an RV technician.

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What types of payment options do you have?

Payment is due at time of service unless prior arrangements are made. We take cash, checks and all major credit cards. Financing is available for new installations through out-of-house funding sources that have cooperative agreements with MGS Refrigeration Heating and Cooling.

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Where are you located?
We service and install all brands. We service all brands

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