Engineering Services:

- Building System Design

- Mechanical Engineering Design

- Electrical and Plumbing Engineering
- Construction Planning 
- System Specification 
- Feasibility Studies

- Project Analysis   
- Construction Administration

Energy Services:

- New York City LL87 Compliance

- ASHRAE Level 1, 2 and 3 Energy  

- Existing Building Commissioning
- New Building Commissioning
- Energy Master Planning
- Utility and Government Incentive    

- Comprehensive Building System   


- Energy Procurement

- Bill Auditing

We are a comprehensive engineering and energy consulting company offering services in building and system design, energy efficiency, commissioning, project management and energy procurement. Our team works directly with you and your team to come to the best solution for your business or commercial needs.

Our team of professionals understand the best customized approach to meet your energy cost and usage reduction needs.

Our team identified a total of $2.4 million in energy savings having less than a 3 year payback in the 3.7 million sqft of buildings studied. 

We focus on the needs of our clients to create the most practical and cost effective engineering design for either a system replacement or complete building rehabilitation. 



Over 30 years of experience in the engineering and energy efficiency field.  You can be assured of having a highly experienced engineer assigned to your project.

Technical consulting services are delivered under two company segments: 

RLM Engineering PLLC delivers full service mechanical, electric and plumbing design consulting services. 

RLM Energy Group delivers a suite of energy management services to clients.     

The combined companies make it ease and straight forward to execute any type of system upgrade required for your building. 

We strive to deliver all services:

  • Timely and accurately 
  • High level of Quality
  • Comprehensive
  • Within budget

our Services


241 Rushmore avenue
carle place, NY 11514



Our Team





"Teamwork Makes The Dream Work"