Commercial Mechanical Estimator - HVAC

Job Title: Estimator – Commercial HVAC
Employment Type: Full-Time, Remote
Working Hours: Monday – Friday, 8:00 AM – 5:00 PM US Eastern Time
Compensation: USD $1,500 – $2,200/month (depending on experience)
Location: LATAM

About the Company
Our client is a fast-growing commercial mechanical contractor specializing in HVAC design-build, installation, and retrofit services across commercial, institutional, and industrial sectors. The company delivers complex mechanical scopes for new construction and renovation projects, including office buildings, retail spaces, healthcare facilities, educational institutions, and hospitality developments. They operate in a high-growth segment of the commercial construction industry, managing large-scale, high-value projects with strong emphasis on precision, efficiency, and cost control.

Job Overview
We are seeking a detail-oriented Commercial HVAC Estimator with at least 2+ years of experience in mechanical estimating to support the full bid lifecycle. You will work closely with the client’s estimating and operations teams, supporting project bids from initial plan review through final submission.

This role requires strong technical understanding of HVAC systems, excellent attention to detail, and the ability to identify scope gaps and risks in complex construction documents. Your work will directly impact bid accuracy, profitability, and project success.

Key Responsibilities
Review and analyze full bid packages, including mechanical drawings and Division 23 specifications, to identify scope gaps, risks, and missing requirements.

Perform detailed quantity takeoffs for HVAC systems including:
Ductwork

Hydronic and refrigerant piping

Equipment (AHUs, RTUs, chillers, boilers)

Diffusers, grilles, registers

Controls and related components

Extract and interpret technical requirements from drawings, schedules, addenda, and specifications.

Support bid preparation including pricing, assembly, and coordination with the lead estimator and internal team.

Source and organize vendor and subcontractor quotes for equipment, materials, and specialty systems.

Apply labor units (SMACNA/MCAA or client-specific standards) to develop accurate labor estimates.

Collaborate with project management and engineering teams to ensure estimating accuracy and consistency across documentation.

Ensure compliance with mechanical codes (IMC, ASHRAE) and commercial construction standards.

Assist in identifying constructability issues and logistical challenges in proposed HVAC systems.

Project Types
Commercial new construction HVAC systems

Tenant improvements and interior fit-outs

Equipment replacement and retrofit projects

Design-build mechanical projects

Competitive plan-and-spec bids

Requirements
Minimum 2+ years of experience in commercial HVAC or mechanical estimating.

Strong ability to read and interpret mechanical drawings, specifications, and bid documents.

Proven experience identifying scope gaps, inconsistencies, and cost risks in estimates.

Proficiency in Excel and familiarity with HVAC estimating/takeoff tools such as:
FastEST / FastDUCT / FastPIPE

QuoteSoft

Trimble Autobid Mechanical

PlanSwift

Bluebeam

Solid understanding of HVAC systems, including:
Air handling units, rooftop units, chillers, boilers

VAV and fan coil systems

Ductwork and piping systems

Controls and building automation systems

Strong communication skills with ability to collaborate with U.S.-based teams.

A neutral English accent and clear verbal communication is required.

Prior remote experience working with U.S. contractors is strongly preferred.

Highly detail-oriented with strong analytical and organizational skills.

Why This Role
This is an opportunity to join a high-performing estimating team working on complex, high-value HVAC projects in a rapidly growing commercial construction environment. You will play a key role in ensuring bid accuracy, improving cost efficiency, and supporting successful project delivery across a diverse portfolio of commercial builds.