All Makes & Models.

Interstate’s certified technicians are experienced and trained to service, maintain, install and repair all makes and models of commercial air conditioning & heating equipment.

We've got years of experience to help you determine how to tackle all of your heating concerns.

This month only, we'll give you 10% off of all of your Cooling/Heating needs when you mention this ad! 

$79   A/C Tune-UP Special!

Call office for details.

Service Contract Benefits

​                               CALL 703-910-2592

Do you need a company that can help with all your HVAC repair needs? If so, give H & J Heating & CoolinG,LLC a call and we will promise you that you will receive the kind of service that will have you using us over and over again for all of you air conditioning needs needs! We are proficient and professional when it comes to anything concerning your Air Conditioning System. We also install various additions to your AC system that can help save you money on your energy bills and improve the quality of your air! Whatever your HVAC needs are, you can count on H & J Heating & Cooling,LLC to be there for you! Give us a call today! 



winter Deals


     Scheduled Maintenance  

Once an HVAC service contract is signed with us, you automatically have your HVAC systems maintained every couple of months to ensure the units are running properly and peak efficiency.

       Free Service Calls   

Are you sick of your current company charging you every time they come to your location for the same thing? With our service contracts all calls are free.

Extended Equipment  life

By performing maintenance on your  HVAC equipment regularly, you prolong the life of your equipment. The #1 reason for unit breakdowns are dirt related.

Reduce Energy Costs

Did you have any idea how much money you can save by performing HVAC maintenance? Just a simple filter change could reduce your energy bill by 5%

For all your Home comfort needs

EPA Certified.

Each one of our technicians have years of experience in all aspects of Residential HVAC service in northern Virginia are & Surroundings areas.  It is mandatory for each technician to complete a full in house training calender to insure that they are up to date on the latest commercial air conditioning & heating equipment.

We've got a number of different options to help you with all of your air-conditioning needs.


VA MASTER LIC # 2710063705

MD MASTER LIC #4975557

CONTRACTOR LIC # 2705160096