Heating
Replacing your furnace: what to compare
Look beyond the equipment price when planning a furnace replacement.
Read guideComfort Nest advice
A little knowledge.
More comfort.
Practical guides to choosing equipment, caring for your system and planning your next home upgrade.
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Heating
Heat pump or furnace? Start with your home.
Understand the questions that matter before choosing electric or dual-fuel heating.
Read guideCooling
Central air or ductless cooling?
Compare whole-home ducted cooling with targeted comfort for individual spaces.
Read guideHeating
Planning a boiler or in-floor heating upgrade
What to consider when adding hydronic comfort or planning a renovation.
Read guideHot water
Conventional or power-vent water heater?
Understand CV and PV options before replacing your hot water tank.
Read guideHot water
Is a tankless water heater right for you?
Plan around simultaneous hot-water demand, installation space and maintenance.
Read guideHot water
Could a heat pump water heater suit your basement?
Check room conditions and household demand before changing water-heating technology.
Read guideHumidifiers
Choosing a whole-home humidifier
Compare the AprilAire 500 and GeneralAire 1042 options with your home in mind.
Read guideFilters
When does your humidifier need a new water panel?
Identify the right replacement before buying a humidifier filter.
Read guideThermostats
Simple, programmable or smart thermostat?
Choose controls that suit your equipment and daily routine.
Read guideFilters
Choosing the right furnace filter
Size, filtration and airflow all matter when replacing an HVAC filter.
Read guideAir quality
Whole-home HEPA and air cleaners: what to ask
Understand what filtration can do and how it fits your heating and cooling system.
Read guideVentilation
HRV or ERV: choosing fresh-air ventilation
Understand the difference between heat recovery and energy recovery ventilation.
Read guideWater treatment
Where to start with home water treatment
Match treatment to your water supply and the concern you want to address.
Read guideWater treatment
Water softener or water filter?
Hardness control and drinking-water treatment are different jobs.
Read guideWater treatment
Comparing under-sink water filtration options
Look beyond a filter’s stage count when choosing a drinking-water system.
Read guideAccessories
Registers, grilles and uneven room temperatures
What to check before buying new vents or airflow accessories.
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