Indoor Air Quality: What Your HVAC System Can and Cannot Do
Understand the roles of filtration, ventilation, moisture control, and maintenance. Learn what to ask before purchasing an air-quality product or scheduling an assessment.
Read articleStayCool · Homeowner guides
StayCool Blog
Understand your equipment. Know your options. Straightforward HVAC articles and home comfort guidance for San Antonio homeowners.
14 articles
Can My R-410A Air Conditioner Still Be Repaired?
Understand the refrigerant transition, service options for existing equipment, and what to consider before replacing a working air conditioner.
Read articleR-32 Refrigerant: What San Antonio Homeowners Should Know
Learn what R-32 means for new HVAC equipment, installation, and servicing. Understand the questions to ask about safety, equipment compatibility, and system performance.
Read article7 Questions to Ask Before Hiring an HVAC Contractor
Ask about licensing, diagnosis, written estimates, equipment selection, permits, warranties, and installation verification so you can compare proposals with confidence.
Read articleHeat Pump or Furnace for a San Antonio Home?
Compare how heat pumps and furnaces work, the role of existing ducts and utilities, and questions to ask before upgrading.
Read articleWhich AC Filter Should I Use, and How Often Should I Change It?
Choose a correctly sized filter your HVAC system can handle, understand MERV, and set a replacement schedule based on real conditions.
Read articleWhy Does My House Feel Humid With the AC Running?
Learn why a running AC might leave indoor air sticky, what you can check safely, and when to ask for a humidity assessment.
Read articleWhy Is the Upstairs Hot When the Downstairs Is Cool?
A hot upstairs can come from sun exposure, airflow, duct issues, or thermostat placement. Here's what to observe safely.
Read articleRepair or Replace Your AC? A Homeowner Decision Guide
Compare the diagnosis, total repair cost, comfort, and equipment history before choosing an AC repair or replacement.
Read articleAC Blowing Warm Air? Start With These Safe Checks
Check your thermostat, filter, airflow, and outdoor unit before calling for AC repair; know when to stop troubleshooting.
Read articleHVAC Illness Myths: Separating Facts from Fiction for San Antonio Families
Concerned about your HVAC system making you sick? Get the facts about microbial growth, air quality myths, and when your system actually poses health risks in San Antonio's humid climate.
Read articleR-410A Refrigerant: 5 Essential Facts San Antonio Homeowners Need to Know
As environmental regulations evolve, R-410A refrigerant is being phased out. Learn what this means for your San Antonio HVAC system and discover the sustainable alternatives available today.
Read articleUnderstanding R-32 Refrigerant: The Future of HVAC Efficiency
Learn about R-32 refrigerant technology and why it's revolutionizing HVAC systems with better efficiency, environmental benefits, and performance.
Read article7 Essential Questions to Ask Your HVAC Service Provider
Don't get burned by the wrong contractor. Learn the 7 critical questions San Antonio homeowners must ask before choosing an HVAC service provider—with honest, detailed answers you won't hear elsewhere.
Read articleReading is a good start. We’re here for the next step.
Explore Tony’s Tips for seasonal reminders, AC repair for service options, or learn what’s included in a Complimentary Service Call.