Experience 

 

We offer real world experience, hands on; from the field experience. We have been there- Installed duct systems, worked with engineers, performed heat loads & estimations from site visits, managed numerous working projects at the same time, gave in home sales presentations, and have been involved in trouble shooting air flow problems.

 

Ethics

 

Whether you are building your own home or are a Construction/Engineering professional. We believe in the importance of your business. We understand that you need your documents as soon as possible and done correctly the first time.

 

 

Commitment 

 

We are committed to your success. We achieve this by maintaining our 3 key principles in everything that we do. Giving you a quality product, at a valued price, while performing optimum customer service.

 

Our services ensure that you will have one less headache- That is our goal and that is our commitment to you.

 

 

 

 

 

 

 

 

 

 

Our current services include:

 

Manual J (Heat load calculations of a Residential House)( Block Loads & Room by room loads) – Performed using Wrightsoft


Manual D (Duct sizing calculations)- Performed using Wrightsoft


Manual N (Heat Load Calculations of Commercial & Industrial Structures) – performed using Wrightsoft


Refrigeration Heat loads – (Heat Load calculations for Walk-IN freezers & Coolers) Performed using an excel spreadsheet using principles by the HeatCraft Engineering Manual


Manual S (Ensures proper equipment selection on a Residential House) – performed using Wrightsoft
 

Duct Layout (schematic design which shows duct sizes & grille sizes allocated to specific rooms) – Using both wrightsoft & AutoCAD.


Rescheck (Energy consumption calculations approved by the DOE to ensure a proper level of energy efficiency in a House)


Energy Gauge (Florida Only) (same description as Rescheck but per Florida Energy codes)


Summit (Florida Only) (Energy consumption calculations approved by the Florida building code to ensure a proper level of energy efficiency in a commercial structure.)


Residential Estimating (using Excel – breakdown of materials, projected labor, along with recommendations of where to get pricing on specified materials, Includes estimated profit and mark up ratios)


Commercial Estimating (using Excel – breakdown of materials, projected labor, along with recommendations of where to get pricing on specified materials, Includes estimated profit and mark up ratios)

Marrs HVAC Services, LLC  Heating * Ventilation * Air Conditioning * Refrigeration * Energy Code
 

 

T: 1 352 474 8222 |  David@ManualJ.biz

F: 1 352 292 4288