Blog

Latest Articles and HVAC Tips

Professional using a thermal camera for HVAC energy audit

What to Expect from a Professional HVAC Energy Audit (and How It Can Save You Money)

Technician performing maintenance on outdoor HVAC unit for rental properties

HVAC Maintenance for Rental Properties: What Landlords in San Marcos Need to Know

Whole-house air purifier next to HVAC system

How Do Whole-House Air Purifiers Work—and Are They Worth It for San Diego Homes?

Smart thermostat set to 72 degrees for upgrade your thermostat

Is It Time to Upgrade Your Thermostat? A Comparison of 2025’s Top Smart Thermostats for San Diego Homes

Hand holding MERV 13 filter for HVAC system to show MERV ratings

Understanding MERV Ratings: Choosing the Right HVAC Filter for Your Family’s Needs

Heat pump system outside for eco-friendly HVAC upgrades

Eco-Friendly HVAC Upgrades: The Best Energy-Efficient Solutions for 2025

Technician using a tablet for HVAC load calculation outside a home

What Is HVAC Load Calculation and Why Should San Diego Homeowners Care?

Technician inspecting ductwork for clean air ducts in coastal California homes

How Often Should You Clean Air Ducts in Coastal California Homes? Myths vs. Facts

Closeup of HVAC unit nameplate for homeowner’s guide to HVAC warranties

A Homeowner’s Guide to HVAC Warranties: What’s Covered and What’s Not in California

Phone

Email

Business Hours

Open 24 hours

Guarantee

Life time

Trusted HVAC solutions in San Marcos for over 40 years. Fast, fair, and always reliable—comfort is what we do best.

Menu

Contact Info

Newsletter

Get $5 off when you sign up for emails with savings and tips.

Copyright © 2025 Acuna's Polar Aire Heating & AC, All rights reserved. | Privacy Policy