ASHRAE Standards
Sections
HVAC Codes, Standards, and Regulations Overview
Essential guide to HVAC codes, standards, and regulations covering ASHRAE, ICC, NFPA, UL, SMACNA requirements, adoption processes, and enforcement mechanisms.
Noise Criteria for Performance Venues
Technical guidance on HVAC noise criteria (NC) curves for performance venues including concert halls (NC-20), theaters (NC-25), lecture halls (NC-30), and arenas (NC-35) with SPL calculations and design strategies.
HVAC System Types & Classification Guide
Comprehensive guide to HVAC system classification: central vs unitary systems, all-air vs air-water configurations, selection criteria, and performance comparisons.
ASHRAE Standards: Complete Technical Reference
Comprehensive guide to ASHRAE standards including 62.1, 90.1, 55, 15, 34, and 170. Technical requirements, applications, and standard development process explained.
Codes, Standards, Regulations & Safety
Comprehensive technical reference for HVAC codes standards and safety including ASHRAE, NFPA, IMC, refrigerant safety, combustion safety, and OSHA compliance requirements
Central Air Conditioning Systems and Design
Comprehensive guide to central HVAC systems including all-air, air-water, all-water, and water-source configurations. Covers central plant design, distribution strategies, and ASHRAE guidelines.
NC-25 Theater HVAC Acoustic Design
Technical design requirements for achieving NC-25 acoustic performance in theaters including octave band limits, sound transmission calculations, audience size considerations, and HVAC system strategies.
Background Noise Limits for Assembly Spaces
Technical guidance on establishing background noise limits for assembly spaces using NC/RC curves, speech privacy criteria, and masking principles per ASHRAE standards.
HVAC Sensors and Transducers: Technology Guide
Comprehensive guide to HVAC sensors and transducers covering temperature, pressure, humidity, flow, and air quality measurement with accuracy standards and selection criteria.
ASHRAE Transfer Functions for Heat Transfer
Comprehensive guide to ASHRAE transfer function methodology for calculating transient heat conduction through building envelopes and HVAC system components.
HVAC Maintenance & Refrigerant Management
Comprehensive guide to HVAC preventive maintenance strategies, refrigerant handling procedures, EPA regulations, leak detection, and system optimization for maximum efficiency.
Humidity Control for Indoor Air Quality
Technical guide to humidity control in HVAC systems covering psychrometrics, health effects, moisture sources, control strategies, and ASHRAE standards.