It's & We're Always Open.

Locations We Service

SCHEDULE ONLINE

Schedule Online

Home
Heating
- - - Heater Replace/Install
      
      Heating System Repair
      
      Heat Pumps
      
      Ductless Heating A/C
      
      Water Heaters
      
      Hydronic Heating
      
      Gas and Propane Heating
      
      Electric Heating
      
      Oil Heater Services
      
      Furnace Services
      
      Boiler Services
      
      Myths/Facts
      
      Heating FAQ
  - - Heating
      
      First Class HVAC has been offering reliable heating services in Delaware and Maryland for more than four decades. Our expert team of technicians takes pride in providing unrivaled customer service and workmanship to every customer we serve.
Cooling
- - - Air Conditioning Install/Replace
      
      Air Conditioning Repair
      
      Ductless Heating A/C
      
      Air Conditioning Maintenance
      
      Preventative Maintenance
      
      Indoor Air Quality
      
      Myths/Facts
      
      Cooling FAQ
  - - Cooling
      
      Cooling your home is essential to comfortable living and we are here to help. With more than 20 years of operating as one of Delaware’s most trusted and experienced HVAC providers, we are here to ensure your home will stay cooled year round.
Plumbing
- - - Toilet Repair
      
      Water Heaters
      
      Plumbing Repair and Drain Cleaning
      
      Sump Pump Installation and Repair
      
      Sewer and Water Line Replacement
  - - We recognize that most homeowners are not experts when it comes to water lines, drains, pumps, and toilets. But we also know that when something goes wrong, you need an expert in a hurry. Our plumbing contractors offer same-day service when you need water line repair or replacement, toilet repair, or water heater installation.
Why Us
- - - About Us
      
      Contact Us
      
      Blog
  - - Why Us
      
      With over 20 years in business and the most highly trained and professional technicians, we are here for your whole home needs in HVAC, plumbing and even your crawlspaces. Contact us today to find out how we can help you.
Specials
Schedule Online

Call Today for Service 1-302-219-3223

Book Online

1SERVICE

2ADDRESS

3CONFIRM

What Type Of Service Can We Provide?*
- Air Conditioning
- Heating
- FREE System Estimate
- Plumbing
- Water Heater
- Drain
- Water Treatment
Great Choice! First Class & Horizon Services Technicians Are The Highest-Rated Cooling & Heating Install Teams in the area!

In order to customize your new system, we’ll connect you with your very own Comfort Consultant and set up a FREE in-home estimate to discuss:
- Our Industry-Leading Up To 12-Year Warranty
- Current Discounts & Rebates
- Financing Options
- Guaranteed Right-Sized Equipment for Your Home
- Smart-Home Integration & Options
Is Your Heating System Working Properly At This Time?*
- Working
- Not Working
Is Your Heating System 10 Years or Older?*
- Yes
- No
- I Don't Know
Is Your Heating System 10 Years or Older?*
- Yes
- No
- I Don't Know
Which Best Describes Your Heating Needs?*
- Gas / Electric System Tune-Up
- Oil System Tune-Up
- Indoor Air Quality
- Not Heating Well
- Strange Odor
- Making Noise
- Thermostat Problem
- Other / I Don't Know
Is Your Air Conditioning System Working Properly At This Time?*
- Working
- Not Working
Is Your Air Conditioning System 10 Years or Older?*
- Yes
- No
- I Don't Know
Is Your Air Conditioning System 10 Years or Older?*
- Yes
- No
- I Don't Know
Which Best Describes Your Air Conditioning Needs?*
- System Tune-Up
- Indoor Air Quality
- Not Cooling Well
- Strange Odor
- Making Noise
- Thermostat Problem
- Leaking Water
- Other / I Don't Know
Is Your Water Heater Working Properly At This Time?*
- Working
- Not Working
Is Your Water Heater 10 Years or Older?*
- Yes
- No
- I Don't Know
Is Your Water Heater 10 Years or Older?*
- Yes
- No
- I Don't Know
Which Best Describes Your Water Heater Needs?*
- No Hot Water
- Runs Out Of Hot Water Too Soon
- Leaking Water
- Pilot Light Problem
- Piping Problem
- Damage To Tank
- Tankless Water Heater
- Expansion Tank Problem
- Other / I Don't Know
Which Best Describes Your Plumbing Needs?*
- Water Leak
- Toilet Repair / Replacement
- Pipe Repair / Replacement
- Faucet / Fixture Replacement
- Sump Pump
- Gas Leak / Gas Line
- Other / I Don't Know
Which Best Describes Your Drain Needs?*
- Clogged Toilet
- Clogged Sink
- Clogged Tub / Shower
- Slow Drain
- Main Drain / Sewer Line
- Other / I Don't Know
Which Best Describes Your Water Treatment Needs?*
- Water Softening
- Water Filtration
- Reverse Osmosis
- Other / I Don't Know
Please Select Your Heating Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Heating Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Heating Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Heating Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Heating Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Heating Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Preferred Day of the Week for Your Heater Tune-Up Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Preferred Day of the Week for Your Heater Tune-Up Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Please Select Your Air Conditioning Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Air Conditioning Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Air Conditioning Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Please Select Your Air Conditioning Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Air Conditioning Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Preferred Day of the Week for Your Air Conditioning Tune-Up Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Please Select Your Water Heater Appointment Time!*
- Today
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Water Heater Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Please Select Your Plumbing Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Plumbing Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Please Select Your Drain Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Drain Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
Please Select Your Water Treatment Appointment Time!*
- Today (2pm - 6pm)
- Tomorrow (8am - 12pm)
- Tomorrow (12pm - 4pm)
- Tomorrow (4pm - 8pm)
- I Prefer A Different Time / Day
Preferred Day of the Week for Your Water Treatment Appointment:*
- Sunday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday

First Name*
Last Name*
Address*
Street Address City State ZIP Code

Tell Us How To Contact You
Select Up To 3:
Select Up To 3:
- Call Me
- Email Me
- Text Me
Phone*
Email*
*By submitting the information in this form, I understand that First Class & Horizon Services may use an automatic phone system to contact me. I consent to receive service information and marketing offers by calls, text, or email via any telephone numbers / email addresses I provide. I understand no purchase is necessary and First Class & Horizon Services may record calls for quality assurance purposes.
SMS Terms & Conditions: I consent to receive up to 6 recurring autodialed SMS/MMS promotional messages per month. No purchase required. Standard message & data rates may apply. To unsubscribe text STOP to (855) 286-0823.
Hidden
Brand
Hidden
Form
Hidden
Date Submitted
Hidden
Page Name
Hidden
Source
Hidden
Medium
Hidden
Content
Hidden
Campaign
Hidden
Term
Hidden
Referral URL
Hidden
GCLID

Home
Heating
Cooling
Plumbing
Water Treatment Services
Specials
Contact Us

Contact Us

Follow Us

Contact Us Read Our Blog

© First Class Heating, Cooling & Plumbing. All Rights Reserved.