Specify
Compare load assumptions, system capacity, efficiency, controls and compatibility.
Independent HVAC and home-energy guidance
Make a better call on your home’s heating, cooling and energy costs.
Estimate the job, compare systems and check contractor quotes. We show the sources, assumptions and limits behind the numbers.
Total installed costRepair or replaceLocal incentivesQuote checks
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What do you need help with today?
Recommended next step
Troubleshoot safely first
Check urgent warning signs, then separate a safe homeowner check from a service call.
Start symptom checkEmergency replacementEquipmentModel, capacity, efficiency and warranty
InstallationLabor, permits, electrical and ductwork
EnergyElectricity or fuel over 5 and 10 years
OwnershipMaintenance, repairs and financing
Common starting points
What are you trying to decide?
Choose the question closest to yours. Each route ends with a practical result, not another list of links.
Why is my home uncomfortable?
Review comfort, airflow, humidity, equipment age and energy use.
Is this HVAC quote fair?
Check price, scope, warranty and financing together.
Should I repair or replace?
Compare the written repair estimate with the full replacement cost.
Which incentives still apply?
Check current state, utility and local programs.
What should I budget?
Build a broad ZIP-adjusted planning range.
Browse by system
Research the equipment and the work around it.
A system choice affects installation, electrical work, ducts, operating costs and warranty. The guides keep those pieces together.
CoolingCentral ACWhole-home cooling, ductwork and load matchingHeating & coolingMini-splitZoned heating and cooling without full ductworkHeating & coolingHeat pumpsElectric heating and cooling for the whole homeHeatingFurnacesGas, propane and electric forced-air systemsHeatingBoilersHydronic heating, radiators and replacement planningAir qualityAir purifiersFiltration, room coverage and indoor air qualityControlsSmart thermostatsControls, compatibility and energy managementHot waterWater heatersTank, tankless and heat-pump water heatingEnergySolarSystem size, production, storage and paybackHome envelopeInsulationAir sealing, envelope upgrades and comfortElectricalEV chargersPanel capacity, charging speed and installationServiceHVAC repair & maintenanceRepair decisions, tune-ups and service plans
Research & compare equipment
Room equipment and whole-home projects, clearly separated.
Compare room products with source-dated specifications. Installed systems continue into sizing, scope and contractor-quote research. CoolCompare receives no retailer commission.
▣Portable ACCompare verified room capacity, noise and power↗▤Window ACBuying guidance while verified inventory grows↗◫Mini-splitsCapacity planning plus professional installation↗◎Smart thermostatsCompatibility, controls and verified brand research↗✦Air purifiersRoom coverage, filtration and ownership factors↗❄Whole-home systemsResearch equipment, then compare installed scope↗
CoolCompare Project Planner
Turn your home into a quote-ready brief.
Organize your home facts and project needs. Choose an equipment path for a broad budget screen, then carry the brief into written quote, energy and ownership comparisons.
A better comparison model
Price is only one line in the proposal.
A low equipment price can hide incomplete electrical work, undersized duct changes, short labor warranties or expensive financing.
Scope
Normalize labor, permits, electrical, ductwork, disposal and commissioning.
Own
Model energy, maintenance, financing and likely repairs over 5 and 10 years.
Select
Compare eligible local contractors on price, scope, credentials and warranty when matching coverage is available.
NEW · HOME SECURITY
Open the home security desk →Compare the real cost behind the alarm-system offer.
Audit ADT, SimpliSafe, Ring and five more providers across equipment, monitoring, financing, renewal and cancellation terms.
NEW · ELECTRICITY INTELLIGENCE
Run my ZIP →Connect your ZIP, bill, EV, solar, battery and HVAC.
Use source-dated EIA benchmarks, then replace the assumptions with your own consumption and project economics.
New from the research desk
View all guides →Fresh guides for smarter home decisions.
Home energy
Floor Lamp Recall: Check Models 7927-OZ and 7927-OZ1
CPSC recalled about 4,200 Cupcakes and Cashmere three-light floor lamps after 11 incident reports, including two shock and burn injuries. Check the model under the base, stop use if it matches and follow the official refund process.
4 min read · Reviewed 2 October 2026
Electricity intelligence
U.S. EV Electricity Use Grew 8%: How to Check Your Home-Charging Cost
EIA estimates light-duty EV electricity use rose 8% in the first half of 2026 from the prior six months. That national model does not set a household bill—drivers need wall energy, their actual tariff and charging time to calculate cost.
4 min read · Reviewed 1 October 2026
Home energy
Manufactured-Home Energy Rule Changed: What Buyers Should Verify in 2026
DOE says its 2022 manufactured-housing energy standards have no legal effect and will not be enforced. That does not erase the HUD Code or prove a home's efficiency—buyers need the exact label, specifications and utility evidence.
4 min read · Reviewed 30 September 2026
Home security
FOTING Pressure Washer Warning: Check KLC-T2, KLC-T3 and KLC-PRO150C
CPSC says three FOTING electric pressure-washer models lack an integral GFCI and an adequate-length cord. Stop use, match the exterior model and follow the official disposal warning without touching wet or energized equipment.
3 min read · Reviewed 29 September 2026
Home security
Blue Cactus Recliner Battery Recall: Check RWX-RBP02 and Request a Replacement
CPSC recalled about 51,000 Blue Cactus reclining-chair battery packs after four reports of overheating, smoking or ignition. Match model RWX-RBP02, stop use and follow the recall-specific replacement and disposal route.
3 min read · Reviewed 28 September 2026NEW · COOLCOMPARE WATCH
Open the video library →Visual explainers for the decisions behind the equipment.
Watch official videos without loading a third-party player until you choose to press play.
Independent research desk
Shortlist the system. Then check the brand.
Use decision guides to narrow the project route, then research exact equipment families before comparing contractor proposals.
01Heat pump vs. furnaceCompare fuel, climate performance, cooling, electrical scope and 10-year ownership before replacing a heating system.↗02Central AC vs. heat pumpBoth can cool through ducts; the key difference is whether the outdoor system also supplies heat.↗03Mini-split vs. central ACCompare zoning, ducts, indoor-unit placement, electrical work and whole-home distribution.↗04Boiler vs. furnaceHydronic and forced-air heat differ in distribution, response, cooling integration and replacement scope.↗05Tank vs. tankless water heaterCompare peak hot-water demand, fuel and venting, installation changes, maintenance and delivered capacity.↗06Heat-pump vs. gas water heaterCompare room conditions, electrical and venting work, recovery, operating cost and installation constraints.↗
CarrierCentral AC · Heat pumpsTraneCentral AC · Heat pumpsLennoxCentral AC · Heat pumpsRheemCentral AC · Heat pumpsDaikinMini-split · Heat pumpsMitsubishi ElectricMini-split · Heat pumpsBoschHeat pumps · BoilersA. O. SmithWater heatersecobeeSmart thermostatsEnphaseSolarTesla EnergySolar · EV chargersChargePointEV chargers
Brand inclusion is informational—not a ranking or endorsement. Compare model numbers, matched components, installer qualifications and written warranty terms.
Local contractor marketplace
Prepare comparable proposals.
Availability depends on trade and ZIP coverage. Check coverage first; if eligible providers are available, a structured project brief can help compare equipment, scope and financing. If coverage is limited, take the same checklist to contractors you contact yourself.
Check local proposal coverage →