Rea's HVAC Blog
We are passionate about the air your home or office, whether it's keeping it cool, warm, or clean.
We'd love to share our expertise
Cut cooling costs during Victorville’s hottest months with smart HVAC tips, maintenance, and energy‑saving strategies to keep your home comfortable all summer long.
Struggling with allergies at home? Learn how your HVAC system affects indoor air quality and simple ways to reduce dust, pollen, and allergens.
Not sure whether to repair or replace your furnace? Learn the key signs, costs, and expert tips for homeowners in Victorville, Apple Valley, and Hesperia.
Keep your home comfortable and allergen-free. Rea’s HVAC offers maintenance, duct cleaning, and air quality solutions for pet owners in Southern California.
Learn how your HVAC system affects indoor air quality in Victor Valley, Apple Valley, and surrounding areas—and how to improve the air you breathe.
Learn how to read your energy bill, spot HVAC cost increases, and see how Rea’s HVAC delivers efficient systems with transparent pricing.
HVAC over 10 years old? Learn when it’s smarter to repair or replace your system with tips from Rea’s HVAC for comfort and efficiency.
Tired of high utility bills in San Diego County? Reduce energy costs year-round with HVAC efficiency tips, smart thermostats, and expert maintenance from Rea’s HVAC.
Discover how often San Diego homeowners should service their HVAC system with this seasonal timeline from Rea’s HVAC for efficient, year-round comfort.
When it comes to indoor air quality, your HVAC system's air filter plays a much bigger role than you might think. It’s not just about trapping dust; it’s about protecting your health, extending the life of your HVAC system, and improving overall comfort in your home. However, with numerous options available, including HEPA filters, MERV-rated filters, and UV air purifiers , how do you determine which one is best suited to your needs? Let’s break down the differences between these filter types and help you choose the best one for your home and lifestyle. What Is a HEPA Filter? High-Efficiency Particulate Air (HEPA) Filters HEPA filters are designed to capture at least 99.97% of particles as small as 0.3 microns. That includes dust, pollen, pet dander, mold spores, and even some bacteria and viruses. Pros: Exceptional filtration, excellent for allergy or asthma sufferers. Removes tiny particles that standard filters may miss. Often used in hospitals, clean rooms, and homes with health-sensitive occupants. Cons: Not typically compatible with standard residential HVAC systems without modification. Can restrict airflow if not installed properly, which may strain your HVAC system. More expensive than standard filters. Best For: Households with severe allergies, asthma, or compromised immune systems, especially if paired with a custom HVAC solution designed to handle HEPA-level airflow resistance. What Is a MERV Rating? Minimum Efficiency Reporting Value (MERV) MERV is a rating system that measures how effectively a filter captures particles of varying sizes. MERV ratings range from 1 to 20, the higher the number, the finer the filtration.
