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Pacific Air

Since 1988, we at Pacific Air Heating & Air Conditioning, Inc. have been helping Greater Olympia residents see the benefits of an environmentally friendly home. Our qualified technicians will outfit your home with the proper HVAC equipment. This will not only save you money, but also increase your home's comfort.

Call us today at 360-357-4328 and we'll be happy to answer your questions about transforming your home!

New construction home in Washington.

Customer Testimonials

We love hearing from our customers! If you've had us work on your HVAC system we would love to hear from you too.

Gas Furnace Replacement in Olympia, WA 98501

“I wish to express my gratitude to Pacific Air for the excellent customer service I received during a furnace inspection and necessary replacement. The phone was usually answered by Jackie, she was both friendly knowledgable. She never acted like I didn't know what I was talking about, even when we both knew I didn't. My tech was Kyle. He was very personable and explained, in layman's terms for me, what was wrong, what needed to be replaced and my options. All with no pressure. I will always call Pacific Air and recommend them to anyone needing service.”

– Scott K.

Gas Fireplace Maintenance in Lacey, WA 98516

“Pacific Air serviced our gas fireplace, cost was reasonable and the technician Kyle did a superb job. Works as good as new.”

– John M.

Gas Furnace Installation in Lacey, WA 98513

“Great job. Clean installation. Equipment works better than expected with even heat throughout the house.”

– Peter B.

Our Latest Article...

Air compressor's protection grid.

How to Properly Size an AC System

August 15, 2019
In the heat of the summer, it’s easy to assume that bigger is better when it comes to air conditioning (AC) systems. Obviously, if you have an air conditioner that’s too small in your Olympia home, you will not be able to keep your temperatures consistently low even if the unit is running constantly. However, if your air conditioner is too large for your home, it will quickly cool down the space and shut off. Once the temperature rises, it will kick back on again. This constant on and off cycling, referred to as short cycling, uses a great deal of energy and wears down your air conditioning system more quickly. Air conditioner loads must be calculated carefully, so you can match the unit to your cooling needs. Our professionals at Pacific Air would be happy to help you select the best-sized air conditioner for your particular Washington home. In the meantime, here is a peek into how our trained experts calculate air conditioning needs.

Definition of Terms

In order to understand how to size an air conditioning unit, you have to know a little bit about how capacity is measured. Air conditioning systems are measured by tons, which specifies how much a particular unit can cool. For example, a one-ton air conditioner can generate 12,000 BTUs. A BTU is a British Thermal Unit, and one BTU is the energy needed to cool one pound of water by 1 degree Fahrenheit every hour.

Air Conditioner Sizes

The smallest air conditioner is 1.5 tons or 18,000 BTUs and they can increase in size up to 5 tons or 60,000 BTUs by increments of one-half ton or 6,000 BTUs. For a rough calculation to select an air conditioner for your home, you can take your total square footage, multiply it by 25, divide it by 12,000, and subtract .5. Of course, our Pacific Air heating, ventilation, and air conditioning (HVAC) professionals use the complex Manual J load calculation to properly size HVAC systems. This rough calculation cited here will only provide a ballpark figure that should never be used to purchase a system on its own. There are other important elements that factor into the calculations.

Other Important Factors

Before ordering that new air conditioner based on the simple math equation, you need to realize there are many other factors that should be considered before making a final decision: • Ceiling height. Not all homes have standard ceiling heights. If you have a vaulted ceiling, loft area, or open floor plan, you may need to calculate the volume of your home, not only the square footage. High ceilings will require a larger air conditioner. • House style. Two homes that have the same square footage may require different-sized air conditioning systems. A single-story sprawling ranch home requires more cooling power than a three-story townhouse. • Local climate. If your home is located in a hot, humid location, you will need a different-sized air conditioner than if you live in a milder, dry climate. Temperature and humidity play a significant role in how much cooling and dehumidifying you will need your air conditioner to do. • Size, type, and number of windows. Windows tend to leak energy out of your home more easily than solid walls. You must take into consideration the size and number of windows as well as how well they are sealed and their energy ratings. • Insulation. In a similar way, a better-insulated home requires less cooling energy than a poorly insulated one. If you are building or doing a major remodel, it may be a good decision to increase insulation before selecting your new air conditioning system. • Other factors. Even considerations like the existing ductwork, type of window coverings, and number of residents and how often they are home can affect the load requirements of your air conditioner.

We Will Help With Your Air Conditioning

Call our professional team at Pacific Air in Olympia, WA to help you make the right choice in selecting your air conditioning system. Call 360-357-4328 or request service online today.

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We Service All Brands

We service all HVAC brands.

We Service All Brands

We service all HVAC brands.

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