HVAC New Construction Estimator

Come build your future with R.J. Kielty Plumbing, Air & Electric!

Voted a Top Workplace and proudly family-owned and operated since 1973, R.J. Kielty is built on excellence, integrity, and opportunity. With locations serving New Port Richey, Brandon, and Orlando, we continue to grow while maintaining the family values that have guided us for more than 50 years.

Position Overview

R.J. Kielty is seeking an experienced HVAC Estimator to join our New Construction Division, in our Orlando Office. This position is responsible for reviewing residential construction plans, preparing accurate and competitive estimates, and working closely with builders, vendors, project managers, and our internal operations team.

The ideal candidate is organized, detail-oriented, comfortable managing multiple deadlines, and knowledgeable about residential HVAC systems and new-construction estimating.

What You’ll Do

• Review construction plans, specifications, addenda, and bid documents


• Prepare detailed HVAC estimates for single-family and multifamily new-construction projects


• Complete material and equipment takeoffs


• Determine labor, equipment, material, and subcontractor costs


• Request and review vendor and manufacturer pricing


• Prepare clear, accurate, and competitive proposals


• Identify plan discrepancies, missing information, and potential cost impacts


• Submit requests for information when clarification is needed


• Track bids, deadlines, revisions, and proposal status


• Maintain organized estimating records and project documentation


• Work with builders and internal teams on value-engineering opportunities


• Assist with bid revisions, change orders, and scope comparisons


• Support project handoff after a bid is awarded


• Build and maintain positive relationships with builders, suppliers, and team members

What We’re Looking For

• HVAC estimating experience, preferably in residential new construction


• Strong understanding of HVAC equipment, materials, installation methods, and terminology


• Ability to accurately read and interpret architectural and mechanical plans


• Knowledge of Florida building codes, energy requirements, and applicable HVAC standards


• Experience performing material, equipment, and labor takeoffs


• Strong mathematical, analytical, and problem-solving skills


• Excellent organization and attention to detail


• Ability to manage multiple bids and meet firm deadlines


• Strong written and verbal communication skills


• Proficiency with Microsoft Office and estimating or construction-management software


• Ability to work independently while contributing to a team environment

Preferred Qualifications

• Experience estimating production-home, custom-home, or multifamily projects


• Knowledge of Manual J, Manual S, Manual D, and energy calculations


• Familiarity with builder-specific scopes and purchasing requirements


• Established relationships with HVAC suppliers or equipment manufacturers


• Field installation, project-management, or HVAC design experience

Why Join R.J. Kielty?

• Family-owned and operated since 1973


• Stable and growing Central Florida company


• Supportive, team-focused work environment


• Opportunities for professional growth and advancement


• Work with an experienced new-construction team


• Competitive compensation based on experience


• Company benefits and paid time off


• Long-term career opportunity with a trusted local company

Apply Today

If you are an experienced HVAC estimator who takes pride in accuracy, organization, and building strong professional relationships, we would like to hear from you.

Join the R.J. Kielty family and help us continue building quality homes and lasting partnerships throughout Central Florida.

R.J. Kielty Plumbing, Air & Electric, Inc. is an Equal Opportunity Employer.