|       Schedule Service    |       Tax Credits    |       Coupons    |       Reviews    |   
Like us on facebook for more info on our Furnace repair service in St. Charles MO
For Furnace repair service in St. Charles MO, find us on Google!
Email us any questions about our Furnace repair service in St. Peters MO
Call Grand Oaks Heating & AC for great Furnace repair service in St. Charles MO
(636) 926-2007
Serving St. Charles County, the Metro area, and Lincoln and Warren counties
Grand Oaks Heating & AC has certified technicians to take care of your Furnace installation near Wentzville MO.

York Affinity 9.C and 8.C Gas Furnace

York® Affinity™ YP9C Furnace

  • ENERGY STAR® qualifying efficiency up to 98% AFUE provides more heat for less.

  • Modulating design continuously adjusts heating level in small increments to match the degree of comfort you need precisely.

  • Variable speed blower provides quiet, efficient circulation.

  • Integrated ClimaTrak™ Comfort System tailors operation to the needs of your locale.

The YP9C models are recognized as the Most Efficient of ENERGY STAR® 2013 when used with the Affinity™ Residential Communicating Control.

Best Buy Award —We are proud to announce a Consumers Digest Award was designated to the York® AffinityTM Series YP9C modulating gas furnace.

The Best Buy seal is a registered trademark of Consumers Digest Communications, LLC, used under license.

Good Housekeeping Seal — This model is proud to have earned the Good Housekeeping Seal — a nearly century-old symbol of quality and trust.

10-Year Limited Parts and Lifetime Heat Exchanger Warranties — This product is covered by some of the best warranties in the business: 10-year limited parts and lifetime heat exchanger warranties.

ENERGY STAR® — The ENERGY STAR® label means this product is at least 15 to 25% more efficient than standard products, meeting strict EPA and DOE guidelines.

Variable Speed Technology — This blower technology adjusts gradually to deliver precise comfort without wasting energy

Product ID



LoNox Compliant




ClimaTrak™ Comfort System


33-inches High

Fan Motor

Variable Speed ECM Blower Motor with Modulating Burner

Parts Warranty

10-Year Limited Parts Warranty*

Other Warranty

Lifetime Heat Exchanger Warranty*


60 -120 MBH input

Efficiency Rating

Up to 98% AFUE



*Must be registered online within 90 days of installation. If not registered within 90 days, the parts warranty reverts to a 5-year limited warranty and the heat exchanger warranty reverts to a 20-year limited warranty.

Consumers Digest Award

Energy Star

Variable Speed Motor

24 Hour Emergency Service • Call Us Today • (636) 926-2007 • or • Fill Out Our Online Form
We service most Furnace brands and models near St. Charles MO.
Business Address:
82 Clairen Drive
Foristell, MO 63348
Contact Us
Schedule your Furnace replacement in Wentzville MO.
Company Phone:
Phone: (636) 926-2007
We offer 24/7 emergency Furnace repair service in St. Charles MO.
Office Hours:
Monday- Friday 8:00am-5:00pm
24 Hour Emergency Service
We offer 24/7 emergency Furnace repair service in St. Charles MO.
License Number: