Help Guides

Cooling

R454B vs R410A: What Oregon Homeowners Should Know About the New HVAC Refrigerant
August 6, 2026
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Tips
R410A is being phased out. Learn how R454B compares and what it means for your AC or heat pump in Oregon.
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Getting Your Air Conditioner Ready for Summer in Oregon
April 14, 2026
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Buyer's Guides
Get ready for soaring summer temps with AC tune-up services from Four Seasons.
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FAQs About AC Services In Salem
July 31, 2025
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Buyer's Guides
Continue reading to learn about standard AC maintenance and service questions Portland homeowners ask.
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Heating

Cost Factors to Repair a Heat Pump or Ductless Heat Pump in Oregon
March 6, 2026
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Buyer's Guides
Explore the factors that impact heat pump repair costs in Oregon. Get a clear estimate from Four Seasons.
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Guide to Dual Fuel Systems
March 6, 2026
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Buyer's Guides
Are you thinking about dual-fuel heating? Learn benefits, costs, and what a consultation looks like with us.
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When to Replace or Repair Your Electric Furnace in Oregon
March 6, 2026
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Buyer's Guides
Learn when electric furnace repair makes sense vs. when replacement is the better option for Oregon homeowners.
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Air Quality

Whole Home Air Purifiers: How In-Duct UV and Bipolar Ionization Systems Work
September 19, 2026
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Buyer's Guides
Learn how in-duct UV and bipolar ionization whole-home air purifiers work and what zero ozone really means.
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Know the Difference Between an Air Purifier and an Air Filter
February 2, 2026
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Buyer's Guides
Air filters and air purifiers improve your indoor air quality. Contact Four Seasons to find out which device you need.
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Benefits of Air Purifiers for Salem Homes
August 31, 2025
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Buyer's Guides
Read on for more information on how home purifiers improve the air quality in your home.
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