HVAC Tips
76 expert articles in this category
How to Choose a Quiet HVAC System
Learn how to compare HVAC sound ratings, equipment types, duct noise, placement, vibration control, and quotes before choosing a quieter home comfort system.
HVAC Services in Berkeley, CA: Climate, Homes, and System Choices
A practical Berkeley HVAC guide covering hills, coastal microclimates, older homes, heat pumps, ductless options, maintenance, and permits.
HVAC Services in Concord, CA: Planning for Hot Inland Summers
A Concord HVAC guide to hot summer cooling, heat-pump sizing, ductwork, older homes, maintenance, and installation planning.
HVAC Services in Fremont, CA: A Practical Homeowner Guide
Learn how Fremont's coastal-to-inland climate, mixed housing stock, ductwork, and electrical setup affect HVAC repairs and heat-pump installations.
HVAC Services in Hayward, CA: Coastal and Inland Home Considerations
A Hayward HVAC guide to Bay-side and hillside microclimates, ducted and ductless systems, corrosion, permits, and maintenance.
HVAC Services in Oakland, CA: Homes, Hills, and Microclimates
An Oakland HVAC guide to coastal and inland neighborhoods, older homes, ducts, heat pumps, noise, permits, and maintenance.
HVAC Services in Livermore, CA: Cooling for the Tri-Valley Climate
A Livermore HVAC guide to hot summers, cooling loads, ductwork, heat pumps, system sizing, maintenance, and installation planning.
HVAC Services in Pleasant Hill, CA: A Homeowner's Planning Guide
A Pleasant Hill HVAC guide covering warm summers, ranch homes, ductwork, heat pumps, permits, and the maintenance steps that protect comfort.
HVAC Services in Richmond, CA: Coastal Air and Older-Home Guidance
A Richmond HVAC guide to Bay-side moisture, corrosion, older homes, ductless and ducted systems, permitting, and maintenance.
HVAC Services in San Francisco, CA: Fog, Older Homes, and Quiet Systems
A San Francisco HVAC guide to foggy microclimates, Victorian and flat layouts, ductless heat pumps, corrosion, permits, and maintenance.
HVAC Services in Walnut Creek, CA: Hot Summers and Comfortable Homes
A Walnut Creek HVAC guide to inland cooling, multilevel homes, ductwork, heat pumps, system sizing, permits, and maintenance.
Midea EVOX Gen 2 vs. Gen 3 Review for Bay Area Homes
Compare Midea EVOX Gen 2 and Gen 3 heat pumps, their Carrier 37MURA and 37MUHA counterparts, noise, voltage, dual fuel, warranty, and Bay Area fit.
Mini Split Buyer's Guide: Pros & Cons, Mitsubishi vs. Daikin, Lifespan, and Sizing
Thinking about a ductless mini split? Here are the real pros and cons, how Mitsubishi compares to Daikin, how long mini splits last, and why oversizing is a bigger mistake than undersizing.
How to Prepare for Your HVAC Installation: A Homeowner's Guide to Making Installation Day Smooth
Your HVAC installation will go faster, smoother, and result in better work when you prepare the space, plan the day, and treat your installation crew like the professionals they are. Here's exactly what to do — and what to avoid — before, during, and after install day.
How Long Does AC Installation Take? (Complete Timeline for 2026)
A central AC installation typically takes 4–8 hours for a straight replacement and 1–3 days for a new system with ductwork. Here's exactly what happens at each stage, what can slow things down, and how to prepare so your installation goes smoothly.
Is a Two-Stage Furnace Worth It? Single-Stage vs Two-Stage vs Modulating Explained
Wondering if a two-stage furnace is the right investment for your Bay Area home? We compare all four furnace types -- single-stage, two-stage, variable-speed, and modulating -- covering real efficiency data, repair costs, comfort levels, and long-term value to help you make the best decision.
UV Air Scrubbers: How They Work & Why We Include One Free With Every HVAC Installation
Indoor air quality matters more than ever. UV air scrubbers actively clean your home's air by destroying bacteria, viruses, mold, and odors at the molecular level. Here's how this technology works—and why Galaxy Heating includes an $800 air scrubber free with every HVAC system installation.
How to Repair Your Furnace: Complete DIY Troubleshooting Guide
Step-by-step furnace troubleshooting for common problems. Learn when to DIY and when to call a pro. Expert guide from Bay Area HVAC technicians with 20+ years experience.
Best Furnace Brands for Bay Area Homes: 2025 Comparison Guide
Expert comparison of top furnace brands including American Standard, Carrier, Lennox, Rheem, and more. Find the best furnace for your San Francisco Bay Area home with pricing, efficiency ratings, and local installation costs.
How to Find a Reliable HVAC Contractor in Lamorinda (Lafayette, Moraga, Orinda)
Lamorinda's hillside homes, large lots, and established neighborhoods have unique HVAC needs. Learn how to find a trustworthy contractor who understands Lafayette, Moraga, and Orinda's specific challenges.
Best HVAC Systems for Bay Area Microclimates: Complete 2025 Guide by Region
The Bay Area has 50+ microclimates—65°F fog in SF while Walnut Creek hits 100°F. This comprehensive guide covers optimal HVAC systems for each region: coastal SF, East Bay coastal, Peninsula, South Bay, and hot inland valleys. Includes sizing recommendations, efficiency specs, and city-specific advice.
Do I Need a Special Thermostat for a Heat Pump? (2025 Buyer's Guide)
Not all thermostats work with heat pumps. Using the wrong thermostat can damage your system, waste energy, and leave you freezing. Here's exactly what you need to know before buying—and why your old thermostat probably won't work.
10 Common Heat Pump Mistakes That Are Costing You Money (And How to Fix Them)
Your heat pump could be costing you hundreds extra per year—and you might not even know it. From emergency heat abuse to clogged filters, here are the most common heat pump mistakes Bay Area homeowners make and exactly how to fix them.
Why Galaxy Heating & Air Is the Best HVAC Company in the Bay Area
Looking for the best HVAC company in the Bay Area? Here's why Galaxy Heating & Air stands out: multi-service capabilities, industry-leading warranties, NATE-certified technicians, and 20+ years serving local homeowners.
Will a Heat Pump Keep My Home Warm on the Coldest Nights in Oakland?
If you're considering a heat pump in Oakland, you're probably wondering: Will it actually keep my home warm when temperatures drop? The short answer: yes, absolutely. Modern heat pumps excel in Oakland's mild coastal climate—even on the coldest nights.
What Size HVAC System Do I Need? The Manual J Load Calculation Explained
Getting the right size HVAC system isn't about square footage alone. A proper Manual J load calculation considers your home's insulation, windows, orientation, and Bay Area microclimate. Here's why proper sizing matters and how to avoid the costly mistake of an oversized system.
How Long Do Furnaces and Heat Pumps Last? When to Repair vs. Replace Your HVAC System
Your 20-year-old furnace just broke down again. Should you repair it or finally replace it? Here's the honest answer about HVAC system lifespan, what affects longevity, and the simple math that tells you when replacement makes more financial sense than another repair.
Ducted Heat Pump Showdown: Fujitsu vs Mitsubishi vs Carrier for Bay Area Homes
Choosing between Fujitsu, Mitsubishi, and Carrier ducted heat pumps for your Bay Area home? This comprehensive comparison breaks down efficiency, pricing, warranties, and best use cases to help you make the right decision for your climate and budget.
Mitsubishi Hybrid Systems: Ductless AND Ducted at the Same Time
Galaxy's favorite HVAC setup combines ductless and ducted Mitsubishi units on one system. Perfect for Bay Area 2-story homes with superior zoning and comfort control.
AC Running But Not Cooling? Most Common Causes
Expert HVAC guide from Galaxy Heating & Air Conditioning
Are Heat Pumps Worth It in the Bay Area?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Annual HVAC Maintenance Checklist for Bay Area Homes
Expert HVAC guide from Galaxy Heating & Air Conditioning
Air Filters 101: MERV Ratings, Filter Thickness
Expert HVAC guide from Galaxy Heating & Air Conditioning
Best Gas Furnace Brands for 2025–2026: What
Expert HVAC guide from Galaxy Heating & Air Conditioning
Best MERV Rating for Bay Area Furnaces & Heat Pumps
Expert HVAC guide from Galaxy Heating & Air Conditioning
Best Thermostats for Heat Pumps, Furnaces & Ductless Systems
Expert HVAC guide from Galaxy Heating & Air Conditioning
Common Furnace Problems in Older San Francisco Homes: Urgency Guide
Expert HVAC guide from Galaxy Heating & Air Conditioning
DIY Furnace Maintenance Guide for Bay Area Homeowners
Expert HVAC guide from Galaxy Heating & Air Conditioning
Dual Fuel vs All-Electric Heat Pump Systems
Expert HVAC guide from Galaxy Heating & Air Conditioning
Is Your Electrical Panel Ready for a Heat Pump?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Electronic Air Cleaners vs Regular Filters
Expert HVAC guide from Galaxy Heating & Air Conditioning
2025 Federal Heat Pump Tax Credit Is Ending
Expert HVAC guide from Galaxy Heating & Air Conditioning
Ductwork in Bay Area Homes – Repair, Seal or Replace?
Expert HVAC guide from Galaxy Heating & Air Conditioning
How to Find a Reliable, Licensed Furnace Repair Company in San Francisco
Expert HVAC guide from Galaxy Heating & Air Conditioning
Unusual Furnace Sounds: Should You Be Worried?
Expert HVAC guide from Galaxy Heating & Air Conditioning
When Your Furnace Kicks On and the Smoke Alarm Starts Screaming
Expert HVAC guide from Galaxy Heating & Air Conditioning
Gas Furnace Bans, New Refrigerants & Future-Proofing Your HVAC System
Expert HVAC guide from Galaxy Heating & Air Conditioning
Gas Furnace vs Heat Pump vs Dual Fuel in the Bay Area – What
Expert HVAC guide from Galaxy Heating & Air Conditioning
What Lasts Longer – Gas Furnace or Heat Pump with Air Handler?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Heat Pump Defrost Mode: What
Expert HVAC guide from Galaxy Heating & Air Conditioning
Heat Pump Myths for the Bay Area (Debunked)
Expert HVAC guide from Galaxy Heating & Air Conditioning
Heat Pump vs Furnace: Which Is Better for 2025?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Heat Pump vs Gas Furnace + AC in Walnut Creek: Complete Cost Comparison
Expert HVAC guide from Galaxy Heating & Air Conditioning
How to Fix Hot and Cold Rooms in Your Bay Area Home
Expert HVAC guide from Galaxy Heating & Air Conditioning
How to Change Your Air Filter
Expert HVAC guide from Galaxy Heating & Air Conditioning
How to Plan HVAC for an ADU or Rental Unit
Expert HVAC guide from Galaxy Heating & Air Conditioning
Why Proper HVAC Commissioning Matters More Than Brand
Expert HVAC guide from Galaxy Heating & Air Conditioning
HVAC Financing Options for Bay Area Homeowners (Including GoGreen Financing)
Expert HVAC guide from Galaxy Heating & Air Conditioning
How to Maximize Your HVAC Tax Credits & Rebates (2025)
Expert HVAC guide from Galaxy Heating & Air Conditioning
Ice on My Heat Pump or AC: What
Expert HVAC guide from Galaxy Heating & Air Conditioning
Galaxy
Expert HVAC guide from Galaxy Heating & Air Conditioning
2025 Refrigerant Changes: R-410A vs R-454B (Bay Area Homeowner Guide)
Expert HVAC guide from Galaxy Heating & Air Conditioning
Understanding SEER2, HSPF2 & AFUE – Which Ratings Matter for Rebates?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Single-Stage vs Two-Stage vs Variable-Speed HVAC: What
Expert HVAC guide from Galaxy Heating & Air Conditioning
Smart Thermostat Guide: Benefits, Compatibility & Savings
Expert HVAC guide from Galaxy Heating & Air Conditioning
Spring & Fall HVAC Prep: Season Your System
Expert HVAC guide from Galaxy Heating & Air Conditioning
Ultimate HVAC System Cost Guide for Bay Area Homes (2025)
Expert HVAC guide from Galaxy Heating & Air Conditioning
Why Is My Heat Pump Running All the Time?
Expert HVAC guide from Galaxy Heating & Air Conditioning
Why HVAC Quotes Vary So Much – And How to Compare Them
Expert HVAC guide from Galaxy Heating & Air Conditioning
Do Heat Pumps Work in Cold Weather? Bay Area Winter Performance Guide
One of the most common questions we hear: Do heat pumps actually work when it gets cold? It's a fair concern—especially if you've heard horror stories from friends in Minnesota or Vermont. But here's the truth for Bay Area homeowners: modern heat pumps work exceptionally well in our climate.
HVAC for Bay Area Coastal Homes: Fog, Salt Air & Corrosion Protection
Protect your HVAC investment in coastal Bay Area locations. Expert guide to corrosion-resistant systems for SF, Pacifica, Half Moon Bay, and waterfront homes.
Oakland & Berkeley Heat Pump Installation: Complete 2025 Guide
Expert guide to heat pump installation in Oakland and Berkeley. Learn about coastal considerations, rebates, best systems, and local building codes.
Best HVAC System for San Francisco's Fog & Salt Air Climate (2025)
Expert guide on choosing HVAC systems for San Francisco's unique coastal climate. Learn which systems handle fog, humidity, and salt air best.
Why Hiring a Licensed HVAC Contractor & Pulling Permits Matters
Unpermitted HVAC work creates legal, safety, and financial risks. See real stories of how we helped customers 'legalize' unpermitted installations and fix dangerous unlicensed work.
Why Is My Ductless Quote $12,000 When Equipment Online Costs $2,000?
You found a 2-ton ductless system online for $2,000, but Galaxy quoted $10,500 installed. Here's exactly what's included—and why cheap equipment costs you more in the long run.
How San Francisco's Building Codes Affect Your HVAC Upgrade
San Francisco has strict building codes that directly impact your HVAC installation. Learn what the codes require, why they matter, and what violations cost you.