A brand-new HVAC system should last between 15 and 20 years and is one of the most significant investments homeowners will make.

Whether you’re buying an HVAC unit for the first time or replacing the old one, it’s best not to rush into any decision.

Instead, take some time to learn what makes an HVAC system efficient and how to choose the perfect solution. Let’s consider the most crucial factors:


One of the first questions to ask an HVAC dealer is about the heating and cooling capacity. We measure this capacity in British Thermal Units (BTUs). Newer units have a larger BTU output and, therefore, greater heating capacity.

Cooling is measured using refrigeration tons (RTs), equal to 12,000 BTU per hour. Homeowners should consult a trusted HVAC professional to determine the proper heating and cooling capacity and the appropriate HVAC unit size for their home.


HVAC systems use lots of energy and rack up substantial monthly utility bills. Therefore, making sure the HVAC unit is energy-efficient before purchasing is paramount.

Since there are various HVAC systems, the energy efficiency ratings vary.

Furnaces have Annual Fuel Utilization Efficiency (AFUE), ACs have the Seasonal Energy Efficiency Ratio (SEER), and heat pumps use the Heating Seasonal Performance Factor (HSPF) as energy efficiency measures.


For many homeowners, a programmable HVAC thermostat is non-negotiable. Modern HVAC systems are often compatible with smart thermostats that allow you to control your home’s temperature from anywhere.

It’s an incredibly convenient option that can increase the overall comfort level of all household members. Furthermore, an HVAC system compatible with a smart thermostat will help homeowners spend less on their energy bills.


Fortunately, the HVAC industry has come a long way in terms of engineering units that are relatively quiet. A noisy HVAC can be quite a nuisance and a source of discomfort.

So, when shopping for a new heating and cooling system, look for one that has operating sounds under 60db.


Before buying an HVAC unit from a contractor, make sure to discuss a maintenance plan with them. Annual maintenance is necessary to ensure optimal efficiency, reduce potential repair costs, and avoid losing the warranty.

The HVAC contractor should draw up a detailed maintenance program and present a thorough checklist of the included services.


All the factors mentioned above are vital when choosing a new HVAC system. However, a little bit of research into the potential HVAC dealers is a great idea. Ask them to give honest advice, not merely suggest the partnered brands.

If they hesitate to do so, perhaps move on to a different contractor with multiple HVAC brands. Finally, remember that price matters, but “most expensive” doesn’t always mean “best.”

A reliable and fair HVAC professional will ensure that clients get the best possible HVAC solution for their unique needs.

Hacienda Air is a locally owned HVAC company offering air conditioning, heating, ductwork, air quality, and more to residential and commercial customers in North Las Vegas, Summerlin, and surrounding areas. Callus today at (702) 935-2749.