4-L Engineering Company Inc.
Engineering


Plumbing

HVAC

A quality mechanical service and contracting company specializing in Engineering, Contracting, Service and Service Agreements on Air Conditioning, Plumbing and Mechanical Systems.

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INTRODUCTION

Since 1964 we have served the Dallas/ Ft. Worth area

SERVICES

Secondary equipment

Boilers

Air Handlers

Vane Axial Fan

Speed Controls

Coils

Cooling Towers

Pumps

Controls

Air Compressors

Filters

House Pumps

Plumbing Services

Repair/ Installation

Drain Cleaning

Jetter Services

Camera Inspection/ Recording

Line Locators

Smoke Testing

Backflow Service

Sewage Ejectors

House Pumps

Grade Evaluating/ Documenting/ Reporting

Non-destructive

testing

Eddy Current Testing

Vibration Analysis

Oil Analysis

Refrigerant Analysis

Lithium Bromide Analysis

Water Analysis

Electrical Analysis

Overload Relay Testing

Thermography

Failure Analysis

Log Analysis

Laser Alignment

Primary Equipment

Centrifugal

Screw/ Rotary

Absorption

Reciprocating

Packaged Units

Refrigeration

Cryogenic Freezers

Ultra-Low Temp Chambers

Air Compressors

Air Dryers

MRI Chillers

If you would like to discuss one or more of these services,

 with a representative of 4-L Engineering, please call.

(972) 276-5088  *  (817) 332-5200

State of Texas P. E. #39141

TACLA004772C:                                                                                                                                                                                                                                                                                                                                                                                                                                              M-16773:

Regulated by the Texas Department of Licensing & Regulation                                                                                                                                                                                                                                                                   Texas State Board of Plumbing Examiners

P.O. Box 12157, Austin, TX 78711    1-800-803-9202                                                                                                                                                                                                                                                                                                                                                                      1-800-845-6584

State of Texas Boiler Registration #BLRREG00000262                                                                                                                                                                                                                                                                                                                      Backflow License BP0005036

Mechanical Services

Repair/ Installation

Pipe Fitting

Welding

Rigging

Sheet Metal

Air/ Water Balancing

Carbon Dioxide/ Monoxide Control

Refrigerant Planning

Rental Equipment

Engineering Services

Due Diligence

Load Analysis

Expert Testifying

Energy Star Inspection

Life Expectancy Evaluation

Oncor's Energy Program

Retrofit Design

Special Tests

Sewer Gas Monitoring

Sewer Gas Pressure Monitoring

Building Leakage

Duct Leakage

Plumbing Leakage

Balance Domestic Water System

(972) 276-5088