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Best picks

Best Central AC Parts and Accessories

These picks come straight from the data: verified Amazon ratings, review counts, and prices we observed on recorded dates across 13 tracked products. No sponsored placements, no guesses. Prices last checked 2026-08-29.

As an Amazon Associate, this site earns from qualifying purchases. Product links are affiliate links, and prices and availability shown are accurate as of the date noted and can change. See our editorial policy for details.

Top rated

TRADEPRO (TP-CAP-45/7.5/440R) 45+7.5 MFD (Microfarads) 440 Volt Round Dual Run Capacitor

Highest Amazon rating among the products we track.

Amazon rating: 5.0 across 7 ratings. Price observed: $29.8 on 2026-08-29.

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Most reviewed

Filtrete 16x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 15.62 x 24.62 x 0.78 in)

Largest Amazon review count among the products we track.

Amazon rating: 4.8 across 33,197 ratings. Price observed: $48.27 on 2026-08-29.

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Lowest observed price

MAXRUN 45+5 MFD uf 370 or 440 Volt VAC 45/5 Microfarad Dual Run Capacitor for Air Conditioner or Heat Pump - Runs AC Motor and Fan - 1 Year Warranty

Lowest price we observed among tracked products rated 4.0 or higher with 50+ ratings.

Amazon rating: 4.6 across 1,888 ratings. Price observed: $13.9 on 2026-08-29.

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Also worth a look

Filtrete 16x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters (Actual Size 15.68 x 24.68 x 0.81 in)

Next-highest Amazon rating among the products we track.

Amazon rating: 4.8 across 25,688 ratings. Price observed: $43.98 on 2026-08-29.

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Everything we track, ranked

Tracked products ranked by verified Amazon rating (prices observed 2026-08-29)
ModelAmazon ratingObserved priceChecked
TRADEPRO (TP-CAP-45/7.5/440R) 45+7.5 MFD (Microfarads) 440 Volt Round Dual Run Capacitor5.0 (7 ratings)$29.82026-08-29
Filtrete 16x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters (Actual Size 15.68 x 24.68 x 0.81 in)4.8 (25,688 ratings)$43.982026-08-29
Filtrete 16x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 15.62 x 24.62 x 0.78 in)4.8 (33,197 ratings)$48.272026-08-29
MODERN WAVE Central Air Conditioner Cover for Outside Units 36 x 36 - Top Universal Outdoor AC Cover Defender (Mesh, 36" x 36")4.7 (7,698 ratings)$21.942026-08-29
Motor, PSC, 1/4 HP, 1075, 208-230V, 48Y, TEAO4.6 (146 ratings)$1002026-08-29
MAXRUN 45+5 MFD uf 370 or 440 Volt VAC 45/5 Microfarad Dual Run Capacitor for Air Conditioner or Heat Pump - Runs AC Motor and Fan - 1 Year Warranty4.6 (1,888 ratings)$13.92026-08-29
AC COAT Air Conditioner Protector for Outside Systems – Winter Condenser Shield for Central Cooling Equipment – Dual Shoelace Drawstring, Snug Secure Fit4.5 (469 ratings)$33.992026-08-29
EvertechPRO 5-2-1 208/240VAC 88-108uF Compressor Saver Hard Start Capacitor Relay kit for 1 to 3 Ton Units Replacement for AC Air Conditioner4.5 (28 ratings)$24.952026-08-29
TradePro 45+5 MFD 440 Volt Round Capacitor TP-CAP-45/5/440R4.5 (292 ratings)$23.92026-08-29
Google - Nest Learning Smart Wifi Thermostat - Copper4.4 (3,618 ratings)$264.992026-08-29
ecobee Smart Thermostat Premium - WiFi, Siri & Alexa Built-In, Smart Sensor | Air Quality Monitor4.3 (4,134 ratings)$229.992026-08-29
AMI PARTS 3 PCS Air Conditioner Fin Comb Condenser Fin Straightener | Include FCR6 Fin Comb, Plastic Air Conditioner Fin Comb and Metal Radiator Fin Comb for Air Conditioner Condenser4.1 (347 ratings)$14.772026-08-29
SimpleAir HVAC Fin Comb for Straightening HVAC Condensers and Evaporator Fins4.0 (143 ratings)$19.992026-08-29