Millersheating
Uploaded on Aug 25, 2025
This presentation from Miller’s Heating & Air clears up the most common HVAC myths that homeowners often believe, which can lead to higher energy bills, poor air quality, and costly repairs. It explains why bigger HVAC units don’t always mean better performance, how closing vents can actually damage your system, and why changing filters regularly is essential for efficiency and health. The slides also stress the importance of routine maintenance to prevent most issues and the truth about thermostat settings—showing that extreme changes don’t speed up heating or cooling. By busting these myths, the presentation empowers homeowners in Vancouver to make smarter decisions, protect their HVAC investment, and enjoy year-round comfort.
HVAC Myths Busted: What Homeowners Often Get Wrong
HVAC Myth & Facts
Every Homeowner
Should Learn
Many homeowners fall for common
heating and cooling myths. Miller’s
Heating & Air is here to bust the biggest
ones—so you can stay comfortable, save
money, and protect your system.
www.millersheating.com
Why HVAC Myths Matter
Many homeowners unknowingly
damage their systems by following
false advice
Myths lead to higher energy bills,
breakdowns, and poor air quality
Let’s clear the air—literally!
Tips
Myth #1
“Bigger HVAC Units Cool Better”
Myth:
Bigger equals better performance
Facts:
Inconsistent temperatures
High humidity indoors
Shorter system lifespan
Tips
Always size your HVAC based on home square
footage and layout
Myth #2
“Closing Vents in Unused Rooms
Saves Money”
Myth:
Closing vents redirects air to unused rooms
Facts:
Increases pressure in the duct system
Can cause leaks and damage
Reduces system efficiency
Tips
Keep vents open for balanced airflow
Myth #3
“I Only Need to Change My
Filter Once a Year”
Myth:
Filter changes are rarely needed
Facts:
Dirty filters restrict airflow, overwork
your unit, and lower IAQ
Can cause overheating or freezing
Tips
Replace filters every 1–3 months, depending
on usage & household size
Myth #4
“Maintenance Is Optional”
Myth:
Only call a technician when something breaks
Facts:
Regular tune-ups prevent 85% of HVAC issues
Increase system lifespan, energy efficiency,
and comfort
Tips
Schedule annual or seasonal maintenance
Myth #4
“Thermostats Should Be Set
Low/High for Faster Heating
or Cooling”
Myth:
Turning the thermostat way up/down
speeds things up
Facts:
HVAC systems work at a consistent
pace regardless of the setting
Extreme settings only waste energy
Tips
Use programmable or smart thermostats
for optimal comfort
Lic # MILLEHA8657A, ECMILLEHA793JZ · CCB# 146201
www.millersheating.com
VANCOUVER : (360) 695-6500
PORTLAND : (503) 972-2434
[email protected]
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